English Seaman A. Knapp School of Country Life. Education in general hygiene and sanitation...
Proceedings of the Fourth Annual Convention of the Southern Commercial Congress at the Session Arranged as a Memorial to the Late Dr. Seaman A. Knapp Held at...
English The Demonstration Work: Dr. Seaman A. Knapp's Contribution to Civilization...
English Boys' Demonstration Work: The Corn Clubs...
English The Selection of Cotton and Corn Seed for Southern Farms...
English Results of Boys' Demonstration Work in Corn Clubs in 1910–1911...
The demonstration work; Dr. Seaman A. Knapp's contribution to civilization Author Martin, Oscar Baker, 1870- Title The demonstration work; Dr. Seaman...