1. Snow survey report, Allegheny Watershed, 1940;Pierce,1941
2. Horton, Robert E., , Suggestions for a comprehensive research on runoff phenomena: Deficiencies in hydrologic research, 62-74 Nation. Res. Plan. Board, Washington, D. C., 1940,
3. Determination of the effects of watershed-management on mountain streams;Wicht;Trans. Amer. Geophys. Union; Part II,1943
4. Rainfall interception;Horton;Mon. Wea. Rev.,1919
5. Soil-moisture as an indication of root distribution in deciduous orchards;Veihmeyer;Plant Physiol.,1938