Birnbaum is in the center of the group standing under a vine-covered archway. <br>Identification on verso (handwritten): Maurice Sterne, Alfred Pollerton [i.e. Potterton], M. B., Ned Bruce & Leo Stein (Gertrude's brother) at Ned's house in Anticoli Corrado, near Rome, Italy; 1915-1916.<br>Published in: <i>Archives of American Art Journal</i> v. 16, no. 2, p. 27
Martin Birnbaum with friends in Italy, 1915-1916. Martin Birnbaum papers, 1862-1967. Archives of American Art, Smithsonian Institution.
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Archives of American Art, Smithsonian Institution Washington, D.C. 20560