Addressees: O'Neil, Ellen
- OLC to Ellen O’Neil, 30 May 1892 · Como, Italy · UCCL10613
- OLC to Ellen O’Neil, 27 February 1898 · Vienna, Austria · UCCL10614
- OLC to Ellen O’Neil, 21 April 1898 · Vienna, Austria · UCCL10615
- OLC to Ellen O’Neil, 13 September 1901 · New York, N.Y · UCCL10618
- OLC to Ellen O’Neil, 23 December 1901 · Riverdale, N.Y · UCCL10620
- SLC to Ellen O’Neil, 16 July 1904 · New York, N.Y · UCCL06886
- Jean Clemens to John and Ellen O’Neil, 25 December n.y. · Unknown place · UCCL10634
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