Aquarelle und Zeichnungen

Exhibition of old master drawings

P. & D. Colnaghi & Co

Caravaggio

Michelangelo Merisi da Caravaggio

Masterpieces of the J. Paul Getty Museum

J. Paul Getty Museum.

Alte Kunst

Kunsthaus Lempertz

Catalogue of paintings and sculpture

National Gallery of Canada

The Wallace Collection

Wallace Collection (London, England)

I disegni del Museo francescano di Roma

Kees van Dooren

Drawings and engravings from the Courtauld Collection

Courtauld Institute of Art.

Meisterzeichnungen, Druckgraphik bis 1900, Aquarelle und Miniaturen

Dorotheum (Firm)

Fantastic & ornamental drawings

S. Kaufman