Addressees: MacArthur, James
- SLC to James MacArthur, 26 May 1900 · London, England · UCCL08201 NN-BGC
- SLC to James MacArthur, 28 November 1902 · New York, N.Y · UCCL13563
- SLC per Isabel V. Lyon to James MacArthur, 16 December 1904 · New York, N.Y · UCCL06960 CU-MARK
- SLC to James MacArthur, 19 October n.y. · Riverdale, N.Y · UCCL13796
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