Abstract: Papers of Kellar, a historian, researcher in agricultural history, and curator for the McCormick Historical Association from 1915 to 1955. The papers consist of personal and professional correspondence; speeches, research notes, and bibliographies relating to Cyrus Hall McCormick, genealogy, the reaper, patent cases, and agriculture; correspondence and other materials documenting Kellar's active membership in professional organizations; and the papers of Solon Robinson, agricultural journalist, and Everett E. Edwards, agricultural historian.

Abstract: Records of the Wisconsin Sesquicentennial Commission, documenting its activities, including special events and grant projects developed for the sesquicentennial celebration.