[FRANCE] - PARIS - Institut national d'histoire de l'art: MF35 1900/139 - [GERMANY] - COLOGNE - Wallraf-Richartz Museum: Yna Florenz Sambon 1900, 4., 23 - HAMBURG - KunsthallE: Sambon Aukt. 1900-4 - MUNICH - Bayerisches Nationalmuseum: Sambon, Florenz 1900-IV-23 ; inv-no 7596.2 - [ITALY] - FLORENCE - Biblioteca degli Uffizi: Coll. - WoronzowInv. 6444; Dutch University Institute for Art History: 650/FIRE/samb/19000423 [photocopy]; Kunsthistorisches Institut: Za 74; Museo Stibbert: 2505(4) - ROME - Biblioteca Hertziana: KatV-SAM 781-5000 - TURIN - Biblioteca d'arte della Fondazione Torino Musei: 86 1 FIR 1900 - [THE NETHERLANDS] - AMSTERDAM - Bibliotheek Rijksmuseum: 23 IV 1900 - ROTTERDAM - Museum Boijmans Van Beuningen: 1900 04 23 Florence - THE HAGUE - Rijksinstituut voor Kunsthistorische Documentatie: O-2503, MF 4584-4586 - [UNITED STATES] - BOSTON - Museum of Fine Arts: *SPA Vor - LOS ANGELES - Getty Research Institute: 1900 Apr.23 FlSaW - NEW YORK - Frick Art Reference Library: Apr. 23, 1900