US National Archives
Nara: Teaching With Documents: Glidden's Patent Application for Barbed Wire
The U.S. National Archives and Records Administration (NARA) provides an elaborate lesson plan on Joseph Glidden's patent for barbed wire. Content includes extensive background information about barbed wire, images of the original patent...
Other
Selected Essays on Barbed Wire: Brief History of Barbed Wire
Provides information on the development and use of barbed wire. Includes biographies on Joseph F. Glidden, Jacob Haish, and Isaac L. Ellwood, who were instrumental in its invention and marketing. For more information on barbed wire,...
Kansas Historical Society
Kansas Historical Society: Kansapedia: Barbed Wire
Provides information on the various types of barbed wire and its uses. Includes photographs of several varieties of barbed wire.