Catalogue of economic plants in the collection of the U. S. Department of Agriculture Saunders, William, 1822-1900 creator United States. Department of Agriculture. contributor text book Washington Govt. Print. Off 1891 1891
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ENG Botany, Economic SN0 aS21 b.A825 no. 47 aSB107 b.S2 U. S. Dept. of Agriculture. [Report no.47] https://www.biodiversitylibrary.org/bibliography/53947 6976646 agr09002348 10.5962/bhl.title.53947