Who's who in America, p. 1449 (1903) (Who's Who entry lists Swartz's plays as including A Square Man (1882), Dad's Girl (1883), Princess Chuck (1884), The Governess (1888), Our Angel (1889), The Kaffir Diamond (1888), The Envoy (1891), Bossett's Fairy (1893), The Clipper (1894), The Syndicate (1894))