TY - BOOK ED - American institute of cooperation ED - American Institute of Cooperation,. Extension and Research Workshop., Land-Grant University Conference on Farmer Cooperatives.. Land Grant Conference on Farmer Cooperatives. TI - American Cooperation 1974-5 AV - HD3443 .A7 1975 PY - 1928///-c1998 CY - Washington PB - American Institute of Cooperation KW - Cooperative societies , Cooperation, Agriculture, Cooperative KW - Congresses KW - United States N1 - includes index ER -