found: His Poems, 1957:t.p. (Isidore Ostrer)
found: Who's Who online, 18 Aug. 2011(Isidore Ostrer, died 3 Sept. 1975; poet, economist; chairman Lothbury Investment Corporation Ltd; chairman Premier Productions Ltd; late senior partner Ostrer Brothers, merchant bankers; president and chairman of Gaumont-British Picture Corporation Ltd for many years; lists publications)
found: The Ostrers & Gaumont British, 2010back cover (Isidore Ostrer) p. 23 (born 1889)
found: IMDb, 18 Aug. 2011(Isidore Ostrer, born 17 June 1889 in London, died 3 Sept. 1975 in Sunningdale)
