Addressees: Gerhardt, Karl
- SLC to Karl Gerhardt, February 1881 · Unknown place · UCCL13510
- SLC to Karl Gerhardt, 25 February–27 February 1881 · Hartford, Conn · UCCL11534
- SLC to Karl and Hattie J. Gerhardt, 25 February–27 February 1881 · Hartford, Conn · UCCL12017
- SLC to Karl Gerhardt, 27 February 1881 · Hartford, Conn · UCCL12674
- SLC to Karl Gerhardt, 3 March 1881 · Hartford, Conn · UCCL08590
- SLC to Karl Gerhardt, 4 March 1881 · Hartford, Conn · UCCL12014
- SLC to Karl and Hattie J. Gerhardt, 11–19 April 1881 · Hartford, Conn · UCCL01935
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 9 May 1881 · Hartford, Conn · UCCL01952
- SLC to Karl Gerhardt, 30 May 1881 · Hartford, Conn · UCCL10064
- SLC to Karl and Hattie J. Gerhardt, 26 June 1881 · Branford, Conn · UCCL01978
- SLC to Karl and Hattie J. Gerhardt, 31 July 1881 · Branford, Conn · UCCL01991
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 31 August 1881 · Elmira, N.Y · UCCL12693
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 31 August 1881 · Elmira, N.Y · UCCL02019
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 9 October 1881 · Hartford, Conn · UCCL02049
- SLC to Karl and Hattie J. Gerhardt, 7 November 1881 · Hartford, Conn · UCCL02083
- SLC to Karl and Hattie J. Gerhardt, 21 November 1881 · Hartford, Conn · UCCL02094
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 24 February 1882 · Hartford, Conn · UCCL02165
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 21 March 1882 · Hartford, Conn · UCCL02177
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 23 March 1882 · Hartford, Conn · UCCL02179
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 1 June 1882 · Hartford, Conn · UCCL02210
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 4 August 1882 · Elmira, N.Y · UCCL02259
- SLC to Karl Gerhardt, 30 September–1 October 1882 · Hartford, Conn · UCCL02282
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 23 October 1882 · Hartford, Conn · UCCL02565
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 4 December 1882 · Hartford, Conn · UCCL02302
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 14 January 1883 · Hartford, Conn · UCCL09791
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 25 January–6 February 1883 · Hartford, Conn · UCCL10134
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 26 March 1883 · Hartford, Conn · UCCL02364
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 1–3 May 1883 · Hartford, Conn · UCCL02380
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 7 May 1883 · Hartford, Conn · UCCL02379
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 14–25 June 1883 · Hartford, Conn · UCCL02881
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 2 July 1883 · Elmira, N.Y · UCCL02300
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 20 July 1883 · Elmira, N.Y · UCCL11182
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 1 August 1883 · Elmira, N.Y · UCCL02818
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 5 March 1884 · Hartford, Conn · UCCL02926
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 5 April 1884 · Hartford, Conn · UCCL12036
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 4 May 1884 · Hartford, Conn · UCCL02969
- SLC to Karl Gerhardt, 11 September 1884 · Elmira, N.Y · UCCL04135
- SLC to Karl Gerhardt, 20 September 1884 · New York, N.Y · UCCL01319
- SLC to Karl Gerhardt, 21 September 1884 · Elmira, N.Y · UCCL00586
- SLC to Karl Gerhardt, 23 September 1884 · Elmira, N.Y · UCCL11909
- SLC to Karl Gerhardt, 24 September 1884 · Elmira, N.Y · UCCL00297
- SLC to Karl Gerhardt, 28 September 1884 · Hartford, Conn · UCCL01443
- SLC to Karl Gerhardt, 22 November 1884 · New York, N.Y · UCCL03028
- SLC to Karl Gerhardt, 2 April 1885 · Hartford, Conn · UCCL03199
- SLC to Karl Gerhardt, 3 April 1885 · Hartford, Conn · UCCL03203
- SLC to Karl Gerhardt, 10 April 1885 · Philadelphia, Pa · UCCL03211
- SLC to Karl Gerhardt, 28 May 1885 · Hartford, Conn · UCCL12015
- SLC to Karl Gerhardt, 4 June 1885 · Hartford, Conn · UCCL03236
- SLC to Karl Gerhardt and Hattie J. Gerhardt, 14 June 1885 · Hartford, Conn · UCCL09074
- SLC to Karl Gerhardt, 26 June 1885 · Elmira, N.Y · UCCL03246
- SLC to Karl Gerhardt, 28 June 1885 · Elmira, N.Y · UCCL02618
- SLC to Karl Gerhardt, 5 July 1885 · Elmira, N.Y · UCCL03251
- SLC to Karl Gerhardt, 6 July 1885 · Elmira, N.Y · UCCL03253
- SLC to Karl Gerhardt, 11 July 1885 · Elmira, N.Y · UCCL03258
- SLC to Karl Gerhardt, 18 July 1885 · Elmira, N.Y · UCCL03260
- SLC to Karl Gerhardt, 28 July 1885, Elmira, N.Y · UCCL13977
- SLC to Karl Gerhardt, 5 September 1885 · Elmira, N.Y · UCCL11710
- SLC to Karl Gerhardt, 8 October 1885 · Hartford, Conn · UCCL03293
- SLC, OLC to Karl Gerhardt, 22–23 February 1886 · Hartford, Conn · UCCL03370
- SLC to Karl Gerhardt, 15 July 1886 · Elmira, N.Y · UCCL03420
- SLC to Karl Gerhardt, 21 August 1886 · Unknown place · UCCL04265
- SLC to Karl Gerhardt, 7 October 1886 · Hartford, Conn · UCCL11541
- SLC to Karl Gerhardt, 16 October 1889 · Hartford, Conn · UCCL03952
- SLC to Karl Gerhardt, 2 December 1889 · Hartford, Conn · UCCL09174
- Franklin G. Whitmore for SLC to Karl Gerhardt, 10 February 1890 · Hartford, Conn · UCCL11472
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