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THE PUBLIC RESEARCH LIBRARY

Explore the records. Follow the sources.

Browse UFO case files, paranormal reports, historical texts and research dossiers. These are accounts and leads for investigation—not proof of an extraordinary explanation.

To combine details, compare matches and investigate connections across the collection, create an account and search Anomaly Graph.

Not sure where to begin? Our research guides explain how to follow sources, compare accounts and turn matches into a useful investigation.

13,749 published records with substantive text · Page 215 of 287

Archive case record

Old Government House, Freetown ghost lore

Colonial and postcolonial tradition; individual accounts vary · Freetown, Western Area

Freetown’s former Government House, associated with colonial administration and later state power, has been mentioned in local and travel narratives concerning a lingering presence or unusual nighttime activity. The building’s political history is identifiable

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Archive case record

The Sphinx Water-Erosion Hypothesis

Publicly advanced in the late twentieth century; relevant to nineteenth-century Egyptology’s legacy · Giza

The water-erosion hypothesis argues that weathering on the Great Sphinx enclosure indicates heavy rainfall and therefore a much earlier construction date than the conventional Fourth Dynasty attribution. Robert Schoch and supporters have promoted this interpre

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Archive case record

The Lelu ruins of Kosrae

Nineteenth-century European descriptions; precolonial monument · Lelu Island, Kosrae

Leluh is a complex of megalithic walls, platforms, canals, and elite compounds on Kosrae. Nineteenth-century visitors described the ruins in ways that encouraged speculation about an unknown or foreign civilization, while later archaeological work connected th

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Archive case record

The Phoenix Project and the Hessdalen lights

1981–1989 · Hessdalen Valley, Trøndelag, Norway

Residents of Norway’s Hessdalen Valley reported recurring luminous phenomena, leading to field investigations and the 1984–1985 Project Hessdalen campaign. Researchers used cameras, radar, magnetometers and other instruments, making this a notable attempt to m

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Archive case record

The Akan Sasabonsam tradition

2010s–2020s scholarship and popular adaptations · Ghana and Akan-speaking areas of West Africa

Sasabonsam is an Akan forest being associated in published folklore and religious discussions with danger, predation, trees, and the perilous boundary between village and wilderness. Contemporary scholarship and popular adaptations revisit the figure alongside

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Archive case record

Yoga Sutras of Patanjali: Siddhi and Samyama Accounts

Usually dated between the 2nd century BCE and 4th century CE; dating and authorship disputed · India

The Yoga Sutras describe samyama, a combined practice of concentration, meditation and absorption, as producing extraordinary capacities such as knowledge of other minds, knowledge of previous births, clairaudience, and perception of distant or hidden objects.

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Archive case record

The haunted reputation of the Old Cataract Hotel

1970s–1980s travel and ghost-story circulation · Aswan

The Old Cataract Hotel in Aswan is a named colonial-era hotel that has attracted stories about uncanny rooms, apparitions and the lingering presence of famous guests. Its literary associations, including Agatha Christie’s connection with Aswan, make it useful

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Archive case record

Nyaminyami Serpent Tradition

Long-duration Tonga tradition; twentieth-century documentation intensified during Kariba Dam construction · Zambezi Valley, especially Tonga communities near Lake Kariba

Nyaminyami is a powerful Zambezi-associated water being, often represented as a large serpent or dragon-like creature. Accounts connected with the Kariba Dam project in the 1950s and 1960s brought the tradition into international discussion, sometimes portrayi

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Archive case record

1954 Niterói flying-disc reports

1954 · Niterói, Rio de Janeiro state

Brazilian UFO catalogs and periodical coverage identify reports from Niterói during the mid-1950s flying-disc period, when coastal communities around Rio de Janeiro generated repeated observations of luminous or disc-like objects. The lead may support research

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Archive case record

Phi Ta Khon and Possession-Related Ritual in Dan Sai

2010 onward · Dan Sai, Loei Province

Phi Ta Khon is the distinctive masked festival of Dan Sai, linked to local Buddhist narratives, ancestral or wandering spirits, seasonal renewal, and communal procession. Contemporary documentation shows how participants, monks, officials, artisans, and touris

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Archive case record

The Great Moon Hoax

25 August–16 September 1835 · New York City and the Moon, as represented in print

The New York Sun’s 1835 series claimed that astronomer John Herschel had observed lunar landscapes and animal-like inhabitants through a powerful telescope. It was an acknowledged or widely recognized newspaper hoax, not an encounter report, but it is directly

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Archive case record

The Phoenix Lights

13 March 1997 · Phoenix and southern Arizona

A large formation of lights reported over Arizona in March 1997 became one of the most prominent late-twentieth-century UFO stories in North America. Witnesses described different objects and formations, while officials and later investigators discussed milita

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Archive case record

The Chanchal Reincarnation Case

20th-century case; exact reporting chronology requires source verification · India

Chanchal appears in the literature on Indian children who reportedly gave statements about a previous life and were later compared with a deceased individual. Its value as a discovery lead lies in the possibility of locating a specific case file within Stevens

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Archive case record

Ogopogo

Long-duration tradition; documented in settler-era accounts and twentieth-century reports · Okanagan Lake, British Columbia

Ogopogo is the longstanding lake-monster tradition associated with Okanagan Lake. Indigenous Syilx/Okanagan water-being traditions and later settler reports were brought together in twentieth-century cryptozoological writing under the name Ogopogo, while Naita

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Archive case record

Hawaiian sovereignty and Makahiki revival prophecies

1990–2009 contemporary religious scholarship · Hawai‘i, United States

Late twentieth-century Hawaiian cultural and religious revitalization included renewed attention to Makahiki, Kū, ancestral sovereignty and the restoration of Native Hawaiian relations with land and sea. Some activists and religious practitioners used propheti

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Archive case record

Brazilian Spiritist healing and medical-legal controversy

1880s–1890s · Rio de Janeiro and Brazil

By the late nineteenth century, Brazilian Spiritist groups and newspapers discussed healing through passes, prayers, prescriptions, or mediumistic practice, while physicians and authorities disputed the legitimacy of such activities. The lead is useful for com

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Archive case record

High Street Ghost House / Sai Ying Pun Community Complex haunting tradition

Reported in Hong Kong urban folklore during the late 1970s–1980s · High Street, Sai Ying Pun, Hong Kong

The former Victoria Road Detention Centre and later psychiatric-hospital complex at High Street became associated with stories of apparitions, mysterious lights, ritual activity and unexplained sounds. These accounts circulated in Hong Kong popular culture bef

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Archive case record

The Hotel Shepheard ghost tradition after its 1952 destruction

1970s–1980s retrospective haunting lore · Cairo

Shepheard’s Hotel was destroyed during the 1952 Cairo fire, but its name continued in historical memory and later hotel culture. Retrospective accounts sometimes treat the vanished hotel as a haunted or uncanny place, especially when discussing its colonial gu

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Archive case record

The Khmer Empire’s Decline and Environmental Explanations

Historical and archaeological debate during the 1970s–1980s · Angkor region, Cambodia

Late twentieth-century scholarship debated why Angkor’s political center declined, considering warfare, changes in religious practice, trade shifts, infrastructure costs, demographic pressures, and water-management problems. During the 1970s and 1980s, environ

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Archive case record

The 1952 Tel Aviv flying-saucer report

1952 · Tel Aviv, Israel

Israeli newspapers and later UFO catalogues describe a reported luminous or disc-like object observed near Tel Aviv during the major international flying-saucer wave of 1952. The case is potentially useful for comparing how imported UFO vocabulary entered loca

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Archive case record

Nan Madol and the Saudeleur legends

2010 onward archaeology and heritage studies · Pohnpei, Federated States of Micronesia

Nan Madol is a monumental complex of artificial islets and basalt constructions associated with Pohnpeian traditions of the Saudeleur rulers and the rise of Isokelekel. Oral narratives explain the site through powerful founders, migration and supernatural assi

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Archive case record

Ptolemy’s Geography and Ancient Mapmaking

Second century CE · Alexandria and the Greco-Roman world

Ptolemy’s Geography is a second-century compilation of coordinates, regional descriptions and map-construction methods. It preserves information from earlier geographical traditions while also reflecting errors, transformations and manuscript transmission. The

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Archive case record

The 1942 Broome air-raid and aircraft reports

1942 · Broome, Western Australia

Broome’s March 1942 Japanese air raid generated reports of aircraft, formations and aircraft whose identity could initially be unclear to civilians and defenders. The episode matters because later anomalous-encounter narratives can be separated from a well-doc

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Archive case record

The 1882 transit of Venus as observed from India

6 December 1882 · British India observatories and observing stations

The 1882 transit of Venus prompted systematic observations at observatories and temporary stations, including locations in British India. Timing errors, optical distortions, the black-drop effect, and atmospheric conditions generated disagreements about what o

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Archive case record

Dulce Base legend’s early cultural antecedents

1960s–present · Archuleta Mesa near Dulce, New Mexico

The Dulce Base tradition alleges a secret underground human–nonhuman facility beneath Archuleta Mesa, but its identifiable roots are mainly in later UFO narratives rather than a documented 1960s incident. It can still serve as a comparison lead for anomalous-p

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Archive case record

Arikamedu excavations after Wheeler's 1947 campaign

1947–1960s · Puducherry

Mortimer Wheeler's 1947 excavations at Arikamedu, followed by later investigations, made the site a central reference for Indo-Roman trade on the Coromandel coast. Imported Mediterranean ceramics, local pottery, bead production and structural remains have been

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Archive case record

The Sufi Mystics of Ottoman Cairo: The Khalwatiyya and Shrine Networks

1990s–2000s historical scholarship · Cairo and Ottoman Egypt

Historical studies of the Khalwatiyya and related Sufi networks in Ottoman Cairo provide a specific route into retreat, invocation, saintly authority, dream reports, and the social organization of mystical knowledge. Although the principal events are earlier t

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Archive case record

John Aubrey’s account of aerial phenomena

1696 · England

John Aubrey’s Miscellanies collected reports of apparitions, prodigies, omens, and unusual natural phenomena from English oral and written traditions. Some passages have been mined by later writers as historical evidence for UFO-like observations, although Aub

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Archive case record

Helena Blavatsky’s Cairo Spiritualist Society episode

1871 · Cairo

Blavatsky later described founding or participating in a short-lived spiritualist circle in Cairo during 1871, associated in some accounts with Emma Cutting and alleged séance fraud. The episode matters because it links an emerging Western occult figure to Egy

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Archive case record

The Sanchi Stupa Gateways

Stupa begun c. 3rd century BCE; gateways mainly 1st century BCE–1st century CE · Sanchi, Madhya Pradesh

Sanchi’s Great Stupa and carved gateways preserve a long sequence of Buddhist architecture, donor inscriptions, narrative reliefs, and later restoration. The site matters for comparing monument building, pilgrimage, collective patronage, visual storytelling, a

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Archive case record

The ʻArioi Society of Tahiti

Documented by European visitors in the 1760s–1770s · Tahiti, Society Islands

The ʻArioi were an elite, mobile society associated with Tahitian temple worship, performance, sexuality, tattooing, and the god ʻOro. European observers, including James Cook’s expedition and the naturalists Johann Reinhold Forster and Georg Forster, describe

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Archive case record

The Cunning Folk and séance-related folk healing tradition

Early modern period–nineteenth century · England, Wales and Scotland

British cunning folk traditions involved practitioners who claimed healing, divination, spirit negotiation or counter-magic, documented in trials, newspapers, folkloric collections and local histories. They form a long-duration precursor or parallel to later m

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Archive case record

Hattusa and the Hittite royal archives

1906–1940s · Boğazkale, central Anatolia, Turkey

Excavations at Hattusa, ancient capital of the Hittite Empire, began in 1906 under the German Oriental Society and continued through the interwar period. They uncovered monumental gates, temples, fortifications, and tens of thousands of cuneiform tablets, incl

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Archive case record

La Sayona

Oral tradition with colonial-era associations claimed; modern circulation ongoing · Venezuela, especially rural roads and the Llanos

La Sayona is a Venezuelan female apparition traditionally encountered by men on roads or at night. Her stories commonly involve jealousy, punishment, altered appearance, and a transformation from attractive woman to terrifying figure; some versions relate her

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Archive case record

Discovery and excavation of Tutankhamun’s tomb (KV62)

1922–1932 · Valley of the Kings, Luxor, Egypt

Howard Carter’s excavation of KV62, funded by Lord Carnarvon, exposed the largely intact burial assemblage of the New Kingdom pharaoh Tutankhamun. The find matters for comparison because it provides unusually rich evidence for royal funerary practice, material

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Archive case record

The Jwalapuram Paleolithic Sites and the Toba Eruption

Middle Paleolithic; approximately 77,000 years ago and later · Kurnool district, Andhra Pradesh

Jwalapuram localities became important in debates about whether Middle Paleolithic populations in South Asia survived the approximately 74,000-year-old Toba volcanic eruption. Excavators reported stone-tool-bearing sediments below and above ash-related deposit

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Archive case record

Valsequillo Basin archaeological and megafaunal controversy

1990s–2000s · Puebla, central Mexico

The Valsequillo Basin became associated with claims that humans interacted with extinct Pleistocene animals far earlier than accepted chronologies allowed. Reported artifacts, engraved bones, and geological dates attracted international attention, but speciali

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Archive case record

The 1897 Great Airship Wave in Britain

1897 · Multiple locations across Great Britain and Ireland

Britain experienced a major concentration of phantom-airship reports in 1897, following the American wave and occurring amid public fascination with dirigibles and aviation. Accounts ranged from distant lights to detailed stories of craft, crews, and conversat

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Archive case record

The Caipora and Curupira in Brazilian folklore scholarship

Early twentieth-century Brazilian folklore documentation · Brazil, especially Amazonia and the interior

Caipora and Curupira are Brazilian forest beings documented in folklore collections and ethnographic writing, often associated with hunting, environmental danger and deceptive tracks. They matter to cryptid comparison because later popular accounts can present

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Archive case record

Traité élémentaire de magie pratique

1893 · Paris

Papus’s Traité élémentaire de magie pratique, published in Paris in 1893, presented a systematic account of practical magic, astral forces, ritual correspondences, talismans, and occult techniques. The manual is an identifiable example of how fin-de-siècle Fre

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Archive case record

1965 Vietnam War UFO Reports

1965 · Vietnam, locations vary

During the expansion of the Vietnam War, American, South Vietnamese, and possibly North Vietnamese or Soviet-linked accounts described unidentified lights or aerial objects in the region. These reports matter because wartime radar, flares, aircraft, weapons te

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Archive case record

The Babylonian Talmud’s Night Demon and Sleep Passages

Late antique redaction, c. fifth to seventh century CE · Babylonia

Several Babylonian Talmud passages discuss night demons, dreams, sleep, protective practices, and extraordinary nocturnal experiences. These passages are useful for comparing rabbinic explanations of sensed presences with Mesopotamian and later Jewish traditio

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Archive case record

Lahontan’s reports of Indigenous stories and extraordinary animals

1703 · Great Lakes and upper Mississippi borderlands

Louis-Armand de Lom d’Arce, Baron de Lahontan, published influential accounts of his North American travels in 1703. His dialogues and descriptions include Indigenous traditions, natural-history observations, and material that may be relevant to early reports

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Archive case record

Theodor de Bry’s engraved Virginia scenes and animal imagery

1590 · Roanoke and coastal Virginia/North Carolina

Theodor de Bry’s 1590 illustrated edition of the Roanoke material transformed Thomas Hariot’s account and John White’s images into widely circulated engravings. The volume is a useful lead for investigating how unfamiliar North American animals, birds, and Ind

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Archive case record

Julian of Norwich’s Revelations of Divine Love

Experiences traditionally dated 1373; text revised through the late 14th century · Norwich, England

Julian of Norwich’s Revelations of Divine Love describes a series of visionary “showings” experienced during severe illness in 1373 and subsequently interpreted and revised over many years. The work combines sensory imagery, theological reflection, bodily suff

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Archive case record

Dumas Beach and Cremation-Ground Folklore

Long-standing local reputation; modern media documentation especially 20th–21st centuries · Surat district, Gujarat

Dumas Beach near Surat is widely associated with a former cremation-ground setting, black sand, nocturnal voices, footsteps and reports of apparitions or disorientation. The beach’s geography, nearby settlement and cremation practices are identifiable, but the

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