English Field Instructions for Farmers' Cooperative Demonstration Work...
English The Demonstration Work: Dr. Seaman A. Knapp's Contribution to Civilization...
English Seaman A. Knapp School of Country Life. Education in general hygiene and sanitation...
Convention of the Southern Commercial Congress at the Session Arranged as a Memorial to the Late Dr. Seaman A. Knapp Held at Nashville, Tenn., April 9, 1912...
English Boys' Demonstration Work: The Corn Clubs...
English Results of Boys' Demonstration Work in Corn Clubs in 1910–1911...
demonstration work; Dr. Seaman A. Knapp's contribution to civilization Author Martin, Oscar Baker, 1870- Title The demonstration work; Dr. Seaman A...
0falsefalse English applies to jurisdiction: United States of America determination method or standard: work of the federal government of the United States...
Mark 1.0falsefalse English applies to jurisdiction: United States of America determination method: work of the federal government of the United States...
jurisdiction: United States of America determination method or standard: work of the federal government of the United States determination method or standard:...