English operator: Web Gallery of Art described at URL: https://www.wga.hu/html/d/durer/1/06/7heller1.html determination method or standard: SHA-1...
Rosenkranzfest (1506).jpg File:Albrecht Dürer - Heller Altar (detail) - WGA06987.jpg File:Albrecht Dürer - Selbstbildnis, krank (1509-1511)FXD.jpg File:Autorretrato...