Hunderterlei Fotokniffe - Croy, Otto R., 1902-1977 (Halle (Saale) : Knapp, 1936)
Vol. 1 has title: Hunderterlei fotokniffe.
Vol. 2 has title: Fotokniffe, neue Folge.
Bibliography: v. 1, p. 176.
Keywords: Photography; Trick photography