"Films for the Humanities & Sciences (Firm)" . . . . . . . . . "Educational television programs"@en . "Nonfiction television programs"@en . . . . . "Documentary television programs"@en . "Search for the first Americans" . "Follows the trail of America's first inhabitants. Did they really migrate across a Bering Sea land bridge at the end of the last Ice Age, or did they in fact arrive thousands of years earlier, possibly by some different route as new archaeological evidence increasingly hints?" . "Follows the trail of America's first inhabitants. Did they really migrate across a Bering Sea land bridge at the end of the last Ice Age, or did they in fact arrive thousands of years earlier, possibly by some different route as new archaeological evidence increasingly hints?"@en . "Search for the first Americans"@en . . . . . . . "Television programs"@en . . "History" . "History"@en . . . . .