Library of Congress
Authorities & Vocabularies
found: His Laurel & Hardy, 1967 i.e. 1968.
found: Der Produzent, c1981: t.p. (Charles Barr) p. 318 (b. 1940, presently docent at the Univ. of East Anglia)
found: Hitchcock lost and found, 2015: ECIP t.p. (Charles Barr) data view (serves on the editorial board of the US-based journal, Hitchcock Annual)