TY - BOOK AU - True,Alfred Charles TI - A history of agricultural extension work in the United States, 1785-1923 T2 - United States. Dept. of Agriculture. Miscellaneous publication AV - S533 .T838 PY - 1928/// CY - Washington PB - U.S. Govt. Print. Off. KW - Agricultural education KW - Agriculture KW - Study and teaching N1 - Contribution from Extension service; Bibliography: p. 202-218 ER -