Leakey, Richard
Ren lei zhuan qi = the origin of humankind = 人類傳奇 / translator : Licha Liqi zhu ; Yang Yuling yi
Tian xia wen hua chu ban gu fen you xian gong si, 1995
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Darwin, Charles
The origin of species by means of natural selection or the preservation of favoured races in the struggle for life / Charles Darwin
Penguin Books, 1985
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Darwin, Charles
The origin of species by means of natural selection or the preservation of favored races in the struggle for life / by Charles Darwin
The Modern Library , [date of publication not identified]
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Howells, William D.
Mankind in the making : the story of human evolution
Doubleday, 1967
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Brace, C. Loring
The stages of human evolution : human and cultural origins
Prentice-Hall, 1979
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