found: Her Tippie and his friends, 1975:t.p. (Edwina) cover p. 4 (Edwina Dumm)
found: OCLC data base, 1-22-86(hdg.: Dumm, Frances Edwina, 1893- )
found: NYT obituaries online, viewed June 12, 2009(Edwina Dumm, a syndicated newspaper cartoonist, d. 1990; began her career in 1915 as an editorial cartoonist for The Columbus (Ohio) Monitor; moved to NYC in 1917 & continued her career under the name Edwina, with a comic strip called ''Cap. Stubbs'')
found: Drawn to purpose, 2018:page 190 (Dumm, Frances Edwina, b. 1893, Upper Sandusky, OH; d. 1990, New York ; Landon Correspondence School course in cartooning; Art Students League ; works included: comic strips, spot drawings, political cartoons, children's books and illustrations)