Addressees: Larkin, John
- SLC per Isabel V. Lyon to John Larkin, 28 January 1905 · New York, N.Y · UCCL06988 CU-MARK
- SLC per Isabel V. Lyon to John Larkin, 31 May 1905 · Dublin, N.H · UCCL07050 CU-MARK
- SLC per Isabel V. Lyon to John Larkin, 17 June 1905 · Dublin, N.H · UCCL07065 CU-MARK
- SLC per Isabel V. Lyon to John Larkin, 15 November 1905 · New York, N.Y · UCCL07206 CU-MARK
- SLC per IVL to John Larkin, 13 January 1906 · New York, N.Y · UCCL10823 InU-Li
- SLC per Isabel V. Lyon to John Larkin, 30 July 1906 · Dublin, N.H · UCCL12147 CU-MARK
- SLC per Isabel V. Lyon to John Larkin, 7 September 1906 · Dublin, N.H · UCCL12150 CU-MARK
- SLC per Isabel V. Lyon to John Larkin, 10 April 1907 · New York, N.Y · UCCL07688 CU-MARK
- IVL for SLC to John Larkin, 12–13 April 1907, New York, N.Y · UCCL13783 CU-MARK
- Mary L. Howden for SLC to John Larkin, 18 January 1909 · Redding, Conn · UCCL08320 CtHMTH
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