Anonymous: <i>Alfred Stieglitz Photographing on a Bridge</i>, gelatin silver print, c. 1905, Gilman Paper Company Collection
Unknown author<span style="display: none;">Unknown author</span>
circa 1905 <div style="display: none;">date QS:P,+1905-00-00T00:00:00Z/9,P1480,Q5727902</div>
Sarah Greenough et al.: <i>Modern art and America – Alfred Stieglitz and his New York galleries</i>. National Gallery of Art, Washington D. C. 2000, <a href="//commons.wikimedia.org/wiki/Special:BookSources/0-8212-2728-9" title="Special:BookSources/0-8212-2728-9">ISBN 0-8212-2728-9</a>, p. 22