"Hombre prehistórico." . . "Interplanetary voyages." . . "Prehistorik insanlar." . . "Civilización antigua Influencias extraterrestres." . . "Raadselachtigheden." . . "Gezegenlerarası yolculuk." . . "Garip rekorlar Tarihi." . . "Los grandes enigmas del universo"@es . "Los grandes enigmas del universo" . . . "Ancient mysteries"@tr . . . . . . . . . . . . . . . . "Kayıp uygarlıklar : (ancient mysteries)" . . . . . . . . "Ancient mysteries" . "Ancient mysteries"@en . . . . . . . . "Kayıp uygarlıklar : Ancient mysteries"@tr . . . . . . . . . . "Geheimen der oudheid : waarheid en fantasie over mysterieuze volken en bouwwerken" . . . . . . "Kayıp uygarlıklar" . . "Oudheid." . . "Civilization, ancient." . . "Civilization, Ancient." . "Civilization, ancient Extraterrestrial influences." . . "Civilization, Ancient Extraterrestrial influences." . "Prehistoric peoples." . . "Man, prehistoric." . . "Curiosidades." . . . . "Uygarlık, Eskiçağ." . . "Curiosities and wonders." . .