Smith, Myron J., Jr. "Adams, Cassilly" in Civil War Biographies from the Western Waters: 956 Confederate and Union Naval and Military Personnel, Contractors, Politicians, Officials, Steamboat Pilots and Others (McFarland, 2015), p. 9.
"Paul Alexander (American artist)" in Wikipedia.
Dunlap, David W. "Draw, She Said" in New York Times online, Dec. 9, 2015.
Early Cartoonists in Indianapolis
Schwier, Ryan. "Caricaturing the Indiana Bar: An Early 20th Century Sketchbook from the Daily Press" in Indiana Legal Archive online, June 5, 2015.
Stanley William Crane
Schiller, Joyce K. "Light and Shadow" in Norman Rockwell Museum, Rockwell Center for American Visual Studies online, Aug. 22, 2013. (Acknowledgement only.)
Schiller, Joyce K. "She Flies Through the Air With the Greatest of Ease" in Norman Rockwell Museum, Rockwell Center for American Visual Studies online, May 19, 2011. (Acknowledgement only.)