found: Horrors of the black museum, 1997:credits (original story and screenplay by Aben Kandel)
found: Internet movie database, Dec. 6, 2007(Aben Kandel; writer; b. 1896; d. 1993; sometimes credited as Kenneth Langtry, Ralph Thornton)
found: RLIN, Nov. 21, 1997(hdg: Kandel, Aben, 1899-; usage: Aben Kandel)
found: Biog. master index, Nov. 20, 1997(Kandel, Aben, 1899-1993; Kandel, Aben, d. 1993)
found: Magill's cinema annual, 1994:obituaries (Aben Kandel; 1896; d. Jan. 28, 1993; novelist and screen writer)
notfound: The headless ghost, 1997;Halliwell's filmgoer's & video viewer's comp., 1995;Intl. dictionary of films and filmmakers, 1993