Senders: Gerhardt, Hattie J.
- Karl Gerhardt and Hattie J. Gerhardt to SLC, 4 March 1881 · New York, N.Y. · UCLC40714 CU-MARK
- Hattie J. Gerhardt to SLC and OLC, 4 March 1881 · New York, N.Y. · UCLC40715 CU-MARK
- Karl Gerhardt and Hattie J. Gerhardt to SLC and OLC, 17 March 1881 · Paris, France · UCLC40726 CU-MARK
- Hattie J. Gerhardt to SLC, 26 March 1881 · Paris, France · UCLC40732 CU-MARK
- Hattie J. and Karl Gerhardt to OLC and SLC, 23 April 1881 · Paris, France · UCLC40760 CU-MARK
- Hattie J. Gerhardt to SLC and OLC, 24 May 1881 · Paris, France · UCLC40777 CU-MARK
- Hattie J. Gerhardt to SLC, 4 July 1881 · Paris, France · UCLC40796 CU-MARK
- Hattie J. and Karl Gerhardt to SLC and OLC, 17 July 1881 · Paris, France · UCLC40802 CU-MARK
- Karl Gerhardt and Hattie J. Gerhardt to OLC and SLC, 21 August 1881 · Paris, France · UCLC40838 CU-MARK
- Hattie J. Gerhardt to SLC and OLC, 23 September 1881 · Paris, France · UCLC40865 CU-MARK
- Hattie J. and Karl Gerhardt to SLC and OLC, 1 November 1881 · Paris, France · UCLC40904 CU-MARK
- Hattie J. Gerhardt to SLC and OLC, 22 January 1882 · Paris, France · UCLC40993 CU-MARK
- Hattie J. Gerhardt to OLC and SLC, 7 March 1882 · Paris, France · UCLC41062 CU-MARK
- Karl Gerhardt and Hattie J. Gerhardt to SLC and OLC, 13 April 1882 · Paris, France · UCLC41248 CU-MARK
- Hattie J. Gerhardt to OLC and SLC, 23 April 1882 · Paris, France · UCLC41260 CU-MARK
- Hattie J. Gerhardt to SLC and OLC, 2 July 1882 · Paris, France · UCLC41109 CU-MARK
- Karl Gerhardt and Hattie J. Gerhardt to SLC and OLC, 13 August 1882 · Paris, France · UCLC41177 CU-MARK
- Hattie J. and Karl Gerhardt to SLC and OLC, 18 August 1882 · Paris, France · UCLC41184 CU-MARK
- Hattie J. and Karl Gerhardt to SLC and OLC, 21 August 1882 · Paris, France · UCLC41189 CU-MARK
- Hattie J. and Karl Gerhardt to SLC and OLC, 7 September 1882 · Paris, France · UCLC41213 CU-MARK
- Karl Gerhardt and Hattie J. Gerhardt to OLC and SLC, 25 September 1882 · Paris, France · UCLC41313 CU-MARK
- Karl and Hattie J. Gerhardt to SLC and OLC, 21 November 1882 · Paris, France · UCLC41382 CU-MARK
- Hattie J. and Karl Gerhardt to SLC and OLC, 9 December 1882 · Paris, France · UCLC41399 CU-MARK
- Hattie J. and Karl Gerhardt to OLC and SLC, 9 December 1882 · Paris, France · UCLC41400 CU-MARK
- Karl and Hattie J. Gerhardt to SLC and OLC, 12 December 1882 · Paris, France · UCLC41405 CU-MARK
- Hattie J. and Karl Gerhardt to SLC and OLC, 15 December 1882 · Paris, France · UCLC41406 CU-MARK
- Hattie J. Gerhardt to SLC and OLC, 26 December 1882 · Paris, France · UCLC41412 CU-MARK
- Hattie J. Gerhardt to SLC and OLC, 5 February 1883 · UCLC41443 CU-MARK
- Karl Gerhardt and Hattie J. Gerhardt to SLC and OLC, 25 February 1883 · UCLC41485 CU-MARK
- Hattie J. and Karl Gerhardt to OLC and SLC, 7 April 1883 · UCLC41524 CU-MARK
- Hattie J. Gerhardt to OLC and SLC, 29 April 1883 · Paris, France · UCLC41541 CU-MARK
- Hattie J. Gerhardt to SLC and OLC, 3 June 1884 · UCLC49817 CtHMTH
- Hattie J. Gerhardt to SLC and OLC, 19 June 1885 · Mt. Vernon, N.Y. · UCLC42542 CU-MARK
- Hattie J. Gerhardt to SLC and OLC, 15 January 1887 · Hartford, Conn. · UCLC43202 CU-MARK
- Hattie J. Gerhardt to SLC and OLC, 22 June 1887 · Chicopee, Mass. · UCLC43333 CU-MARK
- Hattie J. Gerhardt to SLC, 11 March 1888 · UCLC46568 CU-MARK
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