...; collection Willem Witsen (1860-1923), Amsterdam;{NHA, inv. no. 476, no. 2038, bequest of Mrs. A.M. Witsen-Schorr, Amsterdam, 1940.} his widow, Augusta Maria Witsen-Schorr (1875-1943), Amsterdam; by whom bequeathed to the Witsen-Fonds, Amsterdam, 1940;{NHA, inv. no. 476, no. 2038, bequest of Mrs. A.M. Witsen-Schorr te Amsterdam, 1940.} from whom, fl. 60, the museum, 1944
Bibliografie en afkortingenlijst voor de herkomst (pdf)
