00756cam a22002531 4500 agr37000786 DLC 20260227110956.0 940901s1937 dcua f000 0 eng c agr37000786 (OCoLC)31044459 U.S. Dept. of agr. Library NNC-M DLC premarc QL523 .C6 TX325 .B25 Back, E. A. (Ernest Adna), 1886- Bedbugs. By E.A. Back ... [Washington, U.S. Govt. Print. Off., 1937] 8 p. illus. 23 cm. U.S. Dept. of agriculture. Leaflet no. 146 Contribution from Bureau of entomology and plant quarantine. Caption title. Bedbugs. 9818 9818