1. A study of the Extension Service in agriculture and home economics in Iowa Creator: Davidson, J. Brownlee 1880-1957. Collection: Home Economics Archive: Research, Tradition and History Location: Albert R. Mann Library Publisher: Iowa State College, Collegiate Press, Publication Place: Ames, Ia. Format: Book
2. Agricultural engineering: a text book for students of secondary schools of agriculture, colleges offering a general course in the subject and the general reader Creator: Davidson, J. Brownlee 1880-1957. Collection: Core Historical Literature of Agriculture Publisher: Webb Publishing Co., Publication Place: St. Paul, Minn. : Date: 1913 Format: Book
3. Report of an inquiry into changes in quality values of farm machines between 1910-14 and 1932 Creator: Davidson, J. Brownlee 1880-1957. Collection: Core Historical Literature of Agriculture Publisher: American Society of Agricultural Engineers, Publication Place: St. Joseph, Mich. : Date: 1933 Format: Book