A decade of negro extension work, 1914-1924, by O. B. Martin 70741 [Subtitle: U.S. department of agriculture miscellaneous circular no. 72] [Author: O. B. Martin] [Link: https://www.gutenberg.org/7/0/7/4/70741] [Files: 70741-0.txt; 70741-h.htm] Thanks to Bob Taylor, Charlene Taylor and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) Regards, Al