Murray, Raymond W.
Mans unknown ancestors: the story of prehistoric man
Bruce Publishing, 1943
Buku Teks
Wendt, Herbert
In search of Adam : the story of man's quest for the truth about his earliest ancestors = Ich suchte Adam
Houghton-Mifflin, 1956
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Howells, William D.
Mankind in the making : the story of human evolution
Doubleday, 1967
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Braidwood, Robert J.
Prehistoric men
Natural History Museum, 1963
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Kuhn, Herbert
On the track of prehistoric man
Random House, 1955
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