Acknowledgements:
George Eastman Museum, Google Books, Lee Gallery, Library of Congress - Prints and Photographs Division, National Gallery of Canada - The Origins of Photography: The Matthew R. Isenburg and Enhanced Isenburg Collections 1840-1880, National Science and Media Museum, New York Public Library, Private collection of Brian Smolens, Private collection of Jack and Beverly Wilgus, Private collection of Jan Weijers (Servatius), Private collection of John Toohey, Private collection of Liese A. Ricketts, Private collection of Nigel Maister, Private collection of Sara Filippin, Robert Tat Gallery. |
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