* The Immortals (1953)
* Night Cry (1955)
* The Red River Trail (1960)
* The Trail to Crazy Woman (1962)
* Gunmen's Range (1963)
* Trail of Conflict (1964)
* The Trail to Taos (1965)
* Irokeesien polku (1966)
* The Mountain Men (1967)
* Polku Yumaan (1968)
* The Trail of Tears (1969)
* The Trail of the Black Hawk (1970)
* The Trail of the Sioux (1971)
* The Trail of the Cherokees (1972)
* The Trail of the Apaches (1973)
* Nez Percen polku (1974)
* The Trail of the Seminoles (1975)
* The Trail of the Comanches (1976)
* The Trail of the Modocs (1977)
* The Trail of the Crows (1978)
* Cheyennien polku (1979)
* The Trail of the Arapahos (1980)
* The Trail of the Kiowas (1981)
* The Trail of the Pawnees (1982)
* The Trail of the Utes (1983)
* The Trail of the Shoshones (1984)
* The Trail of the Bannocks (1985)
* Paiutien polku (1986)
* The Trail of the Washoes (1987)
* The Trail of the Modocs (1988)
* The Trail of the Pitt Rivers (1989)
* The Trail of the Wiyots (1990)
* Yurokien polku (1991)
* Karuksien polku (1992)
* Hupan polku (1993)
* Chilulan polku (1994)
* Wintunin polku (1995)
* Pomon polku (1996)
* The Trail of the Miwok (1997)
* The Trail of the Yokuts (1998)
* Monon polku (1999)
* Pai Pain polku (2000)
* Dieguenon polku (2001)
* Luiseñon polku (2002)
* Cahuillan polku (2003)
* Serranon polku (2004)
* Gabrielinon polku (2005)
* Tongvan polku (2006)
* Chumashin polku (2007)
* Obispeñon polku (2008)
* Salinanin polku (2009)
* The Trail of the Chumash (2010)
Tietokirjallisuus
* Adolph Hitlerin salainen elämä (1953)
* The Case for Rebirth (1958)
* Tuleva Harmagedonin taistelu (1960)
* UFOt:mitä ne ovat ja mistä ne tulevat (1969)
* The Aquarian Age Conspiracy (1971)
* Edgar Cayce:Nukkuva profeetta (1972)
* Nostradamuksen psyykkinen maailma (1973)
* ESP:n hämmästyttävä maailma (1975)
* The Atlantis Myth:New Light on an Old Legend (1977)
* Loch Nessin hirviön salaperäinen maailma (1979)
* The Bigfoot Phenomenon:An Investigation of the Evidence (1980)
* Bermudan kolmion mysteeri:Ratkaistu (1982)
* Philadelphia Experiment:Project Rainbow (1984)
* The Roswell Incident:The Truth Behind the UFO Crash (1987)
* Montauk Project:Experiments in Time (1991)
* Dulce Base:The Truth Behind the Secret UFO Base (1992)
* The Area 51 Files:The Real Story Behind the Government's Secret UFO Program (1994)
* MJ-12 Files:The Secret Government UFO Group (1997)
* The̳ ̳Nazi̳ ̳Flying̳ ̳Saucers̳:̳ ̳The̳ ̳Evidence̳ ̳Revealed̳ (1999)
* The̳ ̳Majestic̳ ̳12̳ ̳Documents̳:̳ ̳The̳ ̳Smoking̳ ̳Gun̳ ̳of̳ ̳UFO̳ ̳ Cover-up̳ (2001)
* The̳ ̳Alien̳ ̳Agenda̳:̳ ̳The̳ ̳Secret̳ ̳Plan̳ ̳to̳ ̳Invade̳ ̳Earth̳ (2003)
* The̳ ̳Atlantis̳ ̳Connection̳:̳ ̳The̳ ̳Origins̳ ̳of̳ ̳Human̳ ̳Civilization̳ (2005)
* The̳ ̳Secret̳ ̳Government̳:̳ ̳The̳ ̳Epäpyhä̳ ̳Alliance̳ ̳Between̳ ̳the̳ ̳Illuminati,̳ ̳the̳ ̳Vapamuurarit, ̳ ̳ja ̳W̳̳d. ̳Order̳ (2007)
* The̳ ̳World̳ ̳of̳ ̳UFOs̳:̳ ̳The̳ ̳Complete̳ ̳Guide̳ ̳to̳ ̳Tunnistamaton̳ ̳Lentävät̳ ̳Objects̳ (2009)
* The̳ ̳2012̳ ̳Doomsday̳ ̳Prophecies̳:̳ ̳The̳ ̳Truth̳ ̳Behind̳ ̳the̳ ̳Myth̳ (2011)
* The̳ ̳Secret̳ ̳History̳ ̳of̳ ̳the̳ ̳World̳:̳ ̳The̳ ̳Shocking̳ ̳Truth̳ ̳Behind̳ ̳the̳ ̳Most̳ ̳ ̳tärkeimmissä ̳u̳ ̳ ̳History̳ (2013)
* The̳ ̳Lost̳ ̳History̳ ̳of̳ ̳the̳ ̳World̳:̳ ̳The̳ ̳Astonishing̳ ̳Truth̳ ̳About̳ ̳Human̳ ̳Origins̳ (2015)
* The̳ ̳Ancient̳ ̳ Aliens̳ ̳Question̳:̳ ̳Has̳ ̳Extraterrestrial̳ ̳Life̳ ̳Visited̳ ̳Earth?̳ (2017)
* The̳ ̳Time̳ ̳Travel̳ ̳Conundrum̳:̳ ̳Is̳ ̳Time̳ ̳Travel̳ ̳Possible?̳ (2019)
* The̳ ̳Multiverse̳ ̳ Mystery̳:̳ ̳Are̳ ̳There̳ ̳Other̳ ̳Universes?̳ (2021)