00749cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035002000092040004300112042001200155050001800167100003900185245003800224260004900262300002700311490004800338500002700386500006500413650001400478999001500492agr39000749 DLC20260227110958.0940901s1939    dcua         f000 0 eng c  aagr39000749   a(OCoLC)31044434  aU.S. Dept. of agr. LibrarycNNC-MdDLC  apremarc00aQL513.P9bB281 aBack, E. A.q(Ernest Adna),d1886-10aPsocids, annoying house pests ...  a[Washington,bU.S. Govt. Print. Off.,c1939]  a4 p.b1 illus.c23 cm.0 aU.S. Dept. of agriculture. Leafletvno. 189  a"By E.A. Back."--p. 2.  aContribution from Bureau of entomology and plant quarantine. 0aPsocidae.  c9988d9988