The Hall of the Age of Man
Guide leaflet series of the American Museum of Natural History, no. 52
Osborn, Henry Fairfield, 1857-1935
Gregory, William K. (William King), 1876-1970
American Museum of Natural History.
New York, N.Y, American Museum of Natural History, 1938
7th ed., rev. to 1938 / by William K. Gregory and George Pinkley.
"Issued under the direction of the Committee on Popular Publications."
American Museum of Natural History
Hall of the Age of Man
QH1 .G8 no. 52 1938
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