Early man, as depicted by leading authorities at the international symposium, the academy of natural sciences, philadelphia, march 1937 / 
Ed. by George Grant maccurdy introd by John c merriam. 
 - 362 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seres humanos--Origen<br/>Pueblos prehistóricos
<br/><br/><label>LC Class. No.: </label>GN738  / I56