3 ALS and 3 TLS following up on a conversation about photographic portraits of AS. Accompanied by 1 ALS from William Lyon Phelps to Guy Metraux, and a note by P. R. Metraux. With: 5 envelopes. 1 of the TLS is a duplicate. Purchase, 1987.
6 ALS concerning the establishment of the Photo-Secession and the progress of Camera Work. Includes: photocopies page from biographical dictionary with entry on Moser. Purchase, 1984.
3 ALS describing work and plans to visit Hasemann in Gutach. In German. Accompanied by 2 photographs: 1 of Agnes Stieglitz Engelhard (sister of AS), ca. 1884 and group of children with elderly woman, 1923; along with postcard of Wilhelm Hasemann and printed material about Hasemann and Gutach, his home town in Germany. Gift, 1987.