Sources: UkCU-CHU
- SLC to William T. Stead, 17 March 1890 · Hartford, Conn · UCCL04025 UkCU-CHU
- SLC to William T. Stead, 29 March 1894 · Paris, France · UCCL13391 UkCU-CHU
- SLC to William T. Stead, 20 March 1894 · Paris, France · UCCL13390 UkCU-CHU
- SLC to William T. Stead, 30 November 1894 · 1st of 2 · Paris, France · UCCL13392 UkCU-CHU
- SLC to William T. Stead, 22 December 1894 · Paris, France · UCCL13393 UkCU-CHU
- SLC to William T. Stead, 21 January 1901 · New York, N.Y · UCCL05974 UkCU-CHU
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