Senders: Seaver, William A.
- William A. Seaver to SLC, 6 November 1875 · New York, N.Y. · UCLC32229 CU-MARK
- William A. Seaver to SLC, 2 December 1875 · New York, N.Y. · UCLC32237 CU-MARK
- William A. Seaver to SLC, 18 February 1876 · New York, N.Y. · UCLC32291 CU-MARK
- William A. Seaver to SLC, 11 March 1876 · UCLC32302 CU-MARK
- William A. Seaver to SLC, 15 September 1876 · New York, N.Y. · UCLC32418 CU-MARK
- William A. Seaver to SLC, 1 December 1879 · Mt. Vernon, N.Y. · UCLC33102 CU-MARK
- William A. Seaver to Samuel L. Clemens, 20 April 1880 · New York, N.Y. · UCLC32763 CtY
- William A. Seaver to SLC, 29 April 1880 · Mt. Vernon, N.Y. · UCLC32772 CU-MARK
- William A. Seaver to SLC, 28 December 1880 · Mt. Vernon, N.Y. · UCLC32907 CU-MARK
1