found: His Danny's own story ... 1912.
found: NUCMC files(Marquis, Don, 1878-1937; b. Don Robert Perry Marquis; author)
found: WwWA, 1897-1942(Marquis, Don(ald Robert Perry); author & playwright; s. James Stewart & Virginia Elizabeth (Whitmore) M.; m. Reina Melcher; m. 2nd: Marjorie Vonnegut)
found: Tevis, C.V. The history of the Fighting Fourteenth, 1994:colophon (D.R. Marquis) p. i (newspaper reporter for the Brooklyn eagle in the 1910's)
found: American newspaper journalists, 1901-1925, c1984:p. 189 (Don Marquis, 1878-1937) p. 191 (Donald Robert Perry Marquis) p. 192 (worked for Brooklyn daily eagle after 1909)
found: Wikipedia web site, April 14, 2020:(Don Marquis ; Donald Robert Perry Marquis (July 29, 1878 - December 29, 1937) was a humorist, journalist, and author. Marquis was born and grew up in Walnut, Illinois ; Marquis died of a stroke in New York City)