Book-lice or psocids
Subtitle: annoying household pests
By: E.A. Back
Series: Farmers' bulletin / United States Department of Agriculture -- no. 1104; Farmers' bulletin (United States. Department of Agriculture) -- no. 1104
Publisher: U.S. Dept. of Agriculture
Published: 1920
Place of publication: Washington, D.C
Language: eng
Subjects: Psocoptera
Notes: Cover title.

"Contribution from the Bureau of Entomology."

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