Senders: Keene, Francis B.
- Francis B. Keene to SLC, 28 April 1904 · Florence, Italy · UCLC34039 CU-MARK
- Francis B. Keene to SLC, 6 June 1904 · Florence, Italy · UCLC34067 CU-MARK
- Francis B. Keene to SLC, 30 June 1904 · Florence, Italy · UCLC34121 CU-MARK
- Francis B. Keene to SLC, 23 July 1907 · Geneva, Switzerland · UCLC37090 CU-MARK
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