. . "Catalogue of the collection of drawings by the old masters formed by Sir Robert Mond,... by Tancred Borenius,... assisted by Rudolf Wittkower" . . . . . "Catalogue of the collection of drawings by the Old Masters formed by Sir Robert Mond [Bestand] Callection of Sir Robert Mond, London" . . . . "Catalogue of the collection of drawings by the old masters formed by Sir Robert Mond"@en . . . "Catalogue of the collection of drawings by the old masters formed by Sir Robert Mond" . . . . . "Catalogue of the Collection of Drawings by the Old Masters formed by Sir Robert Mond ... By Tancred Borenius ... assisted by Rudolf Wittkower"@en . . . . . . . . . . . .