Maunsell B. Field Scrapbooks, Abraham Lincoln, Maggie Field
June Potash details the story of her discovery of a previously unknown calling cards and letters, including one to Maunsell Field signed by Abraham Lincoln, found after searching a house she purchased in Cazenovia, New York.
Potash, June. "A Delayed Discovery." The Courier 13.1 (1976): 29-33.