American sumac: a valuable tanning material and dyestuff Veitch, F. P. (Fletcher Pearre), 1868-1943 creator Frey, R. W. 1889- contributor Rogers, J. S. 1884- contributor text book Washington [Govt. print. off.] 1920 1920
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ENG Contribution from the Bureau of chemistry. Sumac Bulletin of the U.S. Department of Agriculture, no. 706 United States. Dept. of Agriculture. Bulletin, no.706 https://www.biodiversitylibrary.org/bibliography/20056 30617853 10.5962/bhl.title.20056 Library, U.S. Dept. of Agriculture