Sources

• Hudson, Lynn M. The Making of "Mammy Pleasant": A Black Entrepreneur in Nineteenth-Century San Francisco. Urbana: University of Illinois Press, 2003.
• "Image of Mary Ellen Pleasant." Historic Nantucket, Spring 1995. Berkeley Library Digital Collections, University of California. https://wams.nyhistory.org/...
• Pleasant, Mary Ellen. Financial Correspondence and Notes. 1870–1900. Bancroft Library, University of California, Berkeley. https://oac.cdlib.org/...