Indians of South America /

by Radin, Paul, 1883-1959
Published 1942

Mankind so far /

by Howells, W. W. (William White), 1908-2005
Published 1944

Aztecs of Mexico ; origin, rise and fall of the Aztec nation /

by Vaillant, George Clapp, 1901-1945
Published 1941

Indians of the United States : four centuries of their history and culture /

by Wissler, Clark, 1870-1947
Published 1941

The story of the moon /

by Fisher, Clyde, 1878-1949
Published 1943