Hans Ollermann: GIORGIONE (c. 1477-1510) – Judith. From the illustrious Crozat Collection, Paris 1772. The State Hermitage Museum, St. Petersburg
Hans Ollermann: WASHINGTON, D.C. - NATIONAL GALLERY OF ART - RAPHAEL (1483-1520) – ST. GEORGE AND THE DRAGON (1506). ANDREW W. MELLON COLLECTION
Hans Ollermann: 2004_0916_135259AA Giorgione, Hermitage, St. Petersburg.