McCormick, Cyrus. Papers, 1868-84 | Illinois History and Lincoln Collections
This collection contains transcripts of letters, telegrams, and speeches documenting Cyrus H. McCormick's involvement in the Democratic Party. The collection includes references to his speech to the 1876 Democratic National Convention; support for his possible candidacy for Illinois Governor or U.S. Senator; and his donation of $10,000 to the Democratic Party. The collection also includes a summary of McCormick's political activities written by Charles C. Copeland.
The originals are in the McCormick Collection at the Wisconsin Historical Society.