APPENDIX n 
SELECTED BIBLIOGRAPHY 
UNITED STATES GOVERNMENT PUBLICATIONS 
Department of Agriculture Publications 
Yearbooks 1916 to 1923, inclusive. 
Bureau of Plant Industry Bulletin 170. Traction Plowing. 
Department Bulletins: 
338. Machinery cost of farm operations in western New York. 
412. The normal day's work of farm implements, workmen, and crews in 
western New York. 
413. Influence of age on the value of farm work horses. 
423. Labor requirements of dairy farms as influenced by milking machines. 
511. Farm practice in the cultivation of cotton. 
560. Cost of keeping farm horses and cost of horse labor. 
578. A study of haymaking crews and labor costs. 
627. Cost of harvesting wheat by different methods. 
757. Farm practices in grain growing in North Dakota. 
814. The standard day's work in central Ilhnois. 
853. The organization and management of farms in northwestern Penn- 
sylvania. 
910. Experience of Eastern farmers with motor trucks. 
917. Farm practice in growing field crops in three sugar-beet districts of 
Colorado. 
920. Farm profits. 
931. Corn belt farmers' experience with motor trucks. 
943. Cost of producing wheat. 
961. Standards of labor on the hill farms of Louisiana. 
963. Cost of producing sugar beets in Utah and Idaho, 1918-19. 
995. The beet-sugar industry in the United States in 1920. 
997. The cost and utilization of power on farms where tractors are owned. 
1000. Labor and material requirements of field crops. 
1034. Farm management and farm organization in Sumter County, Ga. 
1181. Labor requirements of Arkansas crops. 
1198. Cost of producing winter wheat. 
1202. Tractors and horses in the winter-wheat belt. 
1254. Farm motor truck operation in the New England and Central Atlantic 
States. 
1271. Farm organization in southwestern Minnesota. 
Department Circulars: 
183. Seedtime and harvest. 
212. The manufacture and sale of farm equipment in 1920. 
Farmers' Bulletins: 
719. An economic study of the farm tractor in the Corn Belt. 
838. Harvesting hay with the sweep-rake. 
963. Tractor experience in Illinois. 
987. Labor-saving practices in haymaking. 
989. Better use of man labor on the farm. 
1004. The gas tractor in Eastern farming. 
1009. Hay stackers. 
1030. Feeding horses. 
1035. The farm tractor in the Dakotas. 
1042. Saving man labor in sugar-beet fields. 
1093. Influence of the tractor on use of horses. 
1103. Growing irrigated grain in southern Idaho. 
1201. Motor trucks on eastern farms. 
1278. Tractors on southern farms. 
1289. Distribution of types of farming in the United States. 
1295. What tractors and horses do on Corn Belt farms. 
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