Senders: Gilder, Joseph B.
- Joseph B. Gilder to SLC, 7 March 1901 · New York, N.Y. · UCLC33219 CU-MARK
- Joseph B. Gilder to SLC, 15 April 1907 · New York, N.Y. · UCLC36340 CU-MARK
- Joseph B. Gilder to SLC, 18 November 1909 · New York, N.Y. · UCLC41892 CU-MARK
- Joseph B. Gilder and Helena Gilder to SLC, 24 December 1909 · New York, N.Y. · UCLC40392 CU-MARK
1