00547cam a2200181 4500 382605650 TxAuBib 20180520120000.0 190519s2019||||||||||||||||||||||||eng|u 59554 Project Gutenberg PGUSA eng TxAuBib Howard, L. O., (Leland Ossian.) USDA Farmers' Bulletin 459 [Gutenberg] : House Flies / L. O. Howard. Project Gutenberg, 2019. Public domain in the USA. Text. http://www.gutenberg.org/ebooks/59554 TXTLL