The occurrence of diseases of adult bees, II
By: E.F. Phillips
Series: Department circular / United States Department of Agriculture -- 287; Department circular (United States. Dept. of Agriculture) -- 287.
Publisher: U.S. Dept. of Agriculture
Published: 1923
Place of publication: Washington, D.C
Language: eng
Number of pages: 34
Subjects: Bees; Diseases
Notes: Caption title.

Bibliography: p. 27-30.