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by Helen G. Canoyer and Roland S. Vaile
Ronald Press 1951
Available at 19 libraries
by Roland S. Vaile and Helen G. Canoyer
H. Holt 1938 American general education series
Available at 10 libraries
by Roland S. Vaile ; with the assistance of Helen G. Canoyer
Social Science Research Council 1937 Bulletin / Social Science Research Council (U.S.) 35 , Studies in the social aspects of the depression
Available at 4 libraries