The House Fly and How to Suppress It :
Bishopp, F. C. 1884-1970
The House Fly and How to Suppress It : U. S. Department of Agriculture Farmers' Bulletin No. 1408 [electronic resource] / F. C. Bishopp - Project Gutenberg, 2006 - Project Gutenberg 18050 .
Public domain in the USA.
Electronic text
Pests -- Control Housefly
QL
The House Fly and How to Suppress It : U. S. Department of Agriculture Farmers' Bulletin No. 1408 [electronic resource] / F. C. Bishopp - Project Gutenberg, 2006 - Project Gutenberg 18050 .
Public domain in the USA.
Electronic text
Pests -- Control Housefly
QL