Publications of the Bureau of Chemistry
Series: Circular -- no. 7; Circular (United States. Department of Agriculture. Division of Publications) -- no. 7.
Publisher: U.S. Dept. of Agriculture, Bureau of Chemistry
Published: 1912
Place of publication: Washington, D.C
Language: eng
Subjects: Government publications
Notes: "Issued March 15, 1912."

"February 23, 1912."

"Division of Publications, Circular no. 7."