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Soil Survey, Billings County, North Dakota
Max J. Edwards and James Kenneth Ableiter
Soil Survey, Fayette County, Kentucky
United States. Soil Conservation Service and Raymond Preston Sims
Soil Survey, Harrison County, Kentucky
United States. Soil Conservation Service and Hubert B. Odor
United States. Congress. Senate. Committee on Commerce, Science, and Transportation
Some Effects of Refrigeration on Sulphured and Unsulphured Hops
Warner Webster Stockberger and Frank Rabak
Some Industrial Art Schools of Europe and Their Lessons for the United States
Alice Barrows et al.
Some Mining Districts in Northeastern California and Northwestern Nevada
James Madison Hill
Sources of Assistance in Reclaiming Surface-mined Lands for Outdoor Recreation
United States. Bureau of Outdoor Recreation
Sources of Information on Military Professional Subjects
United States. Adjutant-General's Office. Military Information Division