Senders: Boyesen, Hjalmar H.
- Hjalmar H. Boyesen to SLC, 11 June 1879 · UCLC33051 CU-MARK
- Hjalmar H. Boyesen to SLC, 28 November 1879 · Ithaca, N.Y. · UCLC33099 CU-MARK
- Hjalmar H. Boyesen to SLC, 7 April 1880 · Ithaca, N.Y. · UCLC32753 CU-MARK
- Hjalmar H. Boyesen to SLC, 20 January 1882 · New York, N.Y. · UCLC40990 CU-MARK
- Hjalmar H. Boyesen to SLC, 27 November 1882 · New York, N.Y. · UCLC41389 CU-MARK
- Hjalmar H. Boyesen to SLC, 31 March 1884 · New York, N.Y. · UCLC41857 CU-MARK
- Hjalmar H. Boyesen to SLC, 16 August 1885 · Newport, R.I. · UCLC42630 CU-MARK
- Hjalmar H. Boyesen to SLC, 19 October 1887 · New York, N.Y. · UCLC43804 CU-MARK
- Hjalmar H. Boyesen to SLC, 25 October 1887 · New York, N.Y. · UCLC43807 CU-MARK
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