Mary Q. Burnet (1921). Art and Artists of Indiana. New York: The Century Company. p. 198. Reprint edition, Evansville, Indiana: Whipporwill Publications, 1985.
findagrave.com
"Otto Stark". Find a Grave. Retrieved July 17, 2018.
imamuseum.org
collection.imamuseum.org
Query search results of the Indianapolis Museum of Art Collection, "Otto Stark". Indianapolis Museum of Art. Retrieved July 17, 2018.
"Self-Portrait". Indianapolis Museum of Art. Retrieved July 17, 2018.
worldcat.org
Leland G. Howard (1977). Otto Stark, 1859–1926: [Exhibition] Indiananapolis Museum of Art, April 13–May15, 1977. Indianapolis, Indiana: Indianapolis Museum of Art. p. 11. OCLC756825382.
The Best Years: Indiana Paintings of the Hoosier Group, 1880–1915, Theodore C. Steele, John Ottis Adams, William Forsyth, Otto Stark, Richard Gruelle. Indianapolis: Indiana State Museum. 1985. OCLC15528711.
