Farms, forests, and erosion, YEAR BOOK 1916, 107-134.
The farm woodlot problem, YEAR BOOK 1914, 439-456.
Economy of farm drainage, YEAR BOOK 1914, 245-256.
Economic waste from soil erosion, YEAR BOOK 1913, 207-220.
Unprofitable acres, YEAR BOOK 1915, 147-154.
Consult "Guide to United States Government Publications," U.S.
Bureau of Education Bulletin, 1918, No. 2; also, "The Federal
Executive Departments as Sources of Information," U.S. Bureau of
Education Bulletin, 1919, No. 74.
Report of the National Conservation Commission (1909), Senate
Document 676, 60th Congress, 2nd Session.