found: Olympia, der Film von den XI Olympischen Spielen, Berlin 1936. Part 1, 1938 (name not given)
found: Graham, C. Leni Riefenstahl and Olympia, 1986: p. 239 (Olympia was distributed by Tobis Filmkunst GmbH)
found: Wollenberg, H. Fifty years of German film, 1972 p. 23-24 (Tobis (Ton-Bild-Syndikat A.G.); formed in 1928) p. 37 (Tobis-Filmkunst)
found: Helt, R. and Helt, M. West German cinema since 1945, 1987 p. 5 (Tonbild-Syndikat (Tobis))
found: Propaganda and the German cinema, 1933-1945, 2001: p. 25 (Tobis Filmkunst GmbH; name given to the company that emerged after a Dec. 1937 reorganization of Tobis Tonbild Syndikat)
found: Fifty years of German film, 1948: p. 23-24 (Tobis; also Ton-Bild-Syndikat A.G.; formed in 1928) p. 37 (by 1941, name had changed to Tobis-Filmkunst)
Tobis Filmkunst GmbH
