Halliwell's Filmgoer's comp., 1980 (Pat Sullivan; b. 1887; d. 1933; cartoonist)
Australian dictionary of biography WWW site, viewed May 10, 2017 (Patrick Peter (Pat) Sullivan; b. Feb. 22, 1885, Paddington; d. Feb. 15, 1933, New York; cartoonist and animated film producer)