01347cam a22002771 4500 e 57000048 DLC 20260227111236.0 840614s1957 dcua 000 0 eng c e 57000048 (OCoLC)10843124 U.S. Office of Education. Library NBuU OCoLC DLC premarc LC1045 .A25 no. 267 Hollenberg, Alvin Herbert, 1901- Instruction in farm mechanics; suggestions for developing training programs in farm mechanics in vocational agriculture. [Washington] U.S. Dept. of Health, Education, and Welfare, Office of Education [1957] v, 63 p. illus. 23 cm. [U.S. Office of Education] Agricultural series, no. 70 [U.S. Office of Education] Vocational Division. Bulletin no. 267 With Supervisory personnel development / Earl M. Bowler. Washington : U.S. Dept. of Health, Education, and Welfare. Office of Education, 1957. Bound together subsequent to publication. DLC Agricultural engineering. Agricultural education United States. Training programs in farm mechanics in vocational agriculture. United States. Office of Education. Division of Vocational Education. Bulletin ; no. 267. 22287 22287