Sacbrood, a disease of bees
By: G. F. White
Contributors: United States. Bureau of Entomology; United States. Dept. of Agriculture
Series: Circular / U. S. Dept. of Agriculture. Bureau of Entomology -- no. 169; Circular (United States. Bureau of Entomology) -- no.169.
Publisher: U.S. Dept. of Agriculture, Bureau of Entomology
Published: 1913
Place of publication: Washington, D.C
Language: eng
Subjects: Bees; Diseases; Honeybees; Insects; Viruses
Notes: Circular No. 169.

"Issued January 15, 1913."

At head of title:  United States Department of Agriculture, Bureau of Entomology.
Table of contents: title: Introduction; title: Pickled brood. pp. 1.; title: A disease of the brood which is not foul brood. pp. 2.; title: The name sacbrood; title: The symptoms of sacbrood. pp. 3.; title: The infectious nature and cause of sacbrood; title: Experimental work with sacbrood. pp. 4.