Senders: Leigh, Frederick T.
- Frederick T. Leigh to SLC, 8 August 1905 · New York, N.Y. · UCLC34570 CU-MARK
- Frederick T. Leigh and Harper & Bros. to SLC and Isabel V. Lyon, 8 August 1906 · New York, N.Y. · UCLC35532 CU-MARK
- Frederick T. Leigh to SLC, 8 June 1907 · New York, N.Y. · UCLC36472 CU-MARK
- Harper & Bros. and Frederick T. Leigh to SLC and Isabel V. Lyon, 1 November 1907 · UCLC37393 CU-MARK
- Harper & Bros. and Frederick T. Leigh to SLC, 13 May 1908 · New York, N.Y. · UCLC37823 CU-MARK
- Harper & Bros. and Frederick T. Leigh to SLC, 30 November 1908 · New York, N.Y. · UCLC38337 CU-MARK
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