Cornell Rural Schol leaflets - 1936 = 1941-=1942= 4 diffferent small magazines (1) March 1936, Volume 29, No. 4 SAVE THE SOIL (2) jAN. 1936, vOL.29, nO.3 CONSERVATION (3) nOV. 1941 vOLUME 35, HOLES INTHE GROUND (4) March 1942,Vol.35, No. 4 U.S. MINERALS AND US 4 great instructional magzine in th 32 pages.