Jonathan Periam. The Groundswell: A History of the Origins, Aims, and Progress of the Farmers' Movement. Cincinatti: E. Hannaford & Co., 1874

Jonathan Periam. The Groundswell: A History of the Origins, Aims, and Progress of the Farmers' Movement. Cincinatti: E. Hannaford & Co., 1874, Box: 30. National Grange of the Patrons of Husbandry records, 3020. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/399400 Accessed February 16, 2026.