found: His The Special information office, Spokane air service command presents "Off we go," 1943.
found: LC data base, 07-09-91(hdg.: Lafferty, Perry Francis; usage: Perry Lafferty)
found: Int'l. mo. pic. alm., 1990(Perry Lafferty; b. Oct. 3, 1920; television executive with CBS and NBC, now independent producer)
found: IMDb, July 29, 2005(Perry Lafferty; b. Oct. 3, 1920, Davenport, Iowa)
found: New York times WWW site, Sept. 19, 2005(in obituary published Sept. 18: Perry Lafferty; b. Perry Francis Lafferty, Oct. 3, 1917, Davenport, Iowa; d. Aug. 25, Century City, Calif., aged 87; retired network television executive who helped produce a string of popular shows)
found: Information from 678 field, converted July 4, 2018(b. Oct. 3, 1917)