The identification of varieties of barley Harlan, Harry V. 1882-1944 creator text book Washington, D.C U.S. Dept. of Agriculture 1918 1918
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ENG Caption title. "February 2, 1918." "Professional paper." Barley Varieties Bulletin of the U.S. Department of Agriculture, no. 622 https://www.biodiversitylibrary.org/bibliography/108851 16572214890419 10.5962/bhl.title.108851 RQF