America's Indian background : an introduction to the subject of Indians in the United States area

von Walker, Edwin F. (Edwin Francis), 1872-1956
Southwest Museum leaflets no. 18
[Los Angeles, Calif. : s.n.], 1945.
Umfang/Format: 19 p. : fold. map (laid in) ; 20 cm.

World crops derived from the Indians

von Walker, Edwin F. (Edwin Francis), 1872-1956
Southwest Museum leaflets no. 17
Los Angeles, Calif. : The Southwest Museum, [1943].
Umfang/Format: 16 p. ; 20 cm.