Fiction – with linked entries on "Lost Races" and related themes "Lost Lands and Continents" and "Lost Races" entries in The Encyclopedia of Fantasy (1997)
Science-Fiction Handbook (1953 (revizuire 1975, cu Catherine Crook de Camp)) LostContinents; the Atlantis Theme in History, Science, and Literature (1954) The
for Hollow Earth."”. Accesat în 5 februarie 2008. ^ Lost Lands, Forgotten Realms: Sunken Continents, Vanished Cities, and the Kingdoms that History Misplaced
materiale multimedia legate de amerindieni The Peopling of the American Continents, Early California History North America Arhivat în 15 decembrie 2010,