Senders: Chapin, Frederic
- Frederic Chapin to SLC, 3 November 1905 · Chicago, Ill. · UCLC34727 CU-MARK
- Frederic Chapin to SLC, 10 November 1905 · Chicago, Ill. · UCLC34743 CU-MARK
- Frederic Chapin to SLC, 22 July 1906 · Oak Park, Ill. · UCLC35510 CU-MARK
- Frederic Chapin to SLC, 19 August 1906 · Oak Park, Ill. · UCLC35543 CU-MARK
- Frederic Chapin to SLC, 5 September 1906 · Oak Park, Ill. · UCLC35560 CU-MARK
- Frederic Chapin to SLC, 12 September 1906 · Oak Park, Ill. · UCLC35574 CU-MARK
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