Address of D. F. Houston, secretary of agriculture, before the Association of American agricultural colleges and experiment stations, Auditorium hotel, Chicago, Ill., November 12, 1919 Houston, David Franklin, 1866-1940 creator Association of American Agricultural Colleges and Experiment Stations. contributor text book Washington Govt. print. off 1919 1919
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ENG Agriculture S523 .H76 U. S. Dept. of agriculture. Office of the secretary, cirrular 147 [from old catalog] https://www.biodiversitylibrary.org/bibliography/35184 agr19001032 10.5962/bhl.title.35184 DLC