Acknowledgements: Bibliothèque Nationale de France - Département des Estampes et de la Photographie, Charles Isaacs Photographs - Inc, George Eastman Museum, Google Books, LACMA: Los Angeles County Museum of Art, Lee Gallery, Metropolitan Museum of Art, National Gallery of Canada / Musée des beaux-arts du Canada, Sotheby's - Paris, Swann Galleries - New York. |