Addressees: Gilder, Richard Watson
- SLC to Richard Watson Gilder, 11 October 1884 · Hartford, Conn · UCCL11490 CU-MARK
- SLC to Richard Watson Gilder, 14 October 1884 · Hartford, Conn · UCCL11816 CBev4
- SLC to Richard Watson Gilder, 31 January 1887 · Hartford, Conn · UCCL11427 CLjC
- SLC to Richard Watson Gilder, 3 February 1887 · Hartford, Conn · UCCL09893
- SLC to Richard Watson Gilder, 17 March 1887 · Hartford, Conn · UCCL03542 C4
- SLC to Richard Watson Gilder, 28 March 1887 · Hartford, Conn · UCCL03552 ViU
- SLC to Richard Watson Gilder, 21 May 1887 · Unknown place · UCCL03576 NSyU
- SLC to Richard Watson Gilder, 8 August 1887 · Elmira, N.Y · UCCL09192 SzG2
- SLC to Richard Watson Gilder, 21 September 1887 · Hartford, Conn · UCCL09557
- SLC to Richard Watson Gilder, 28 September 1887 · Hartford, Conn · UCCL03654 CtY-BR
- SLC to Richard Watson Gilder, 6 November 1887 · Hartford, Conn · UCCL09700
- SLC to Richard Watson Gilder, 16 November 1887 · Hartford, Conn · UCCL10871 ViU
- SLC to Richard Watson Gilder, 4 March 1888 · Hartford, Conn · UCCL11150 DLC
- SLC to Richard Watson Gilder, 11 March 1888 · New York, N.Y · UCCL03707 NN
- SLC to Richard Watson Gilder, 30 July 1888, Elmira, N.Y · UCCL13371 NN
- SLC to Richard Watson Gilder or Robert U. Johnson or Clarence C. Buel, 12 August 1888 · Elmira, N.Y · UCCL02684 NN-BGC
- SLC to Richard Watson Gilder, 24 August 1888 · Elmira, N.Y · UCCL03753 NNAL
- SLC to Richard Watson Gilder, 21 February 1889 · Hartford, Conn · UCCL03866 NN
- SLC to Richard Watson Gilder, 16 May 1889 · Hartford, Conn · UCCL03893 NN
- SLC to Richard Watson Gilder, 30 May 1889 · Unknown place · UCCL03897 TxU-Hu
- SLC to Richard Watson Gilder, 17 August 1889 · Elmira, N.Y · UCCL10829 InU-Li
- SLC to Richard Watson Gilder, 5 October 1889 · Hartford, Conn · UCCL03945 NN
- SLC to Richard Watson Gilder, 8 November 1889 · Hartford, Conn · UCCL12822 CU-MARK
- SLC to Richard Watson Gilder, 16 December 1890 · Hartford, Conn · UCCL08624
- SLC to Richard Watson Gilder, 16 April 1891 · Hartford, Conn · UCCL04190
- SLC to Richard Watson Gilder, 19 June 1891 · Paris, France · UCCL12490
- SLC to Richard Watson Gilder, 21 July 1891 · Aix-les-Bains, France · UCCL12410 NjNH2
- SLC to Richard Watson Gilder, 19 October 1892 · Florence, Italy · UCCL09229 CLjC
- SLC to Richard Watson Gilder, 20 March 1893 · Florence, Italy · UCCL04355
- SLC to Richard Watson Gilder, 6 November 1893 · New York, N.Y · UCCL04491 ViU
- SLC to Richard Watson Gilder, Robert U. Johnson, Clarence C. Buel, William Carey, William F. Clark and Mary Mapes Dodge, 17 August 1895 · Vancouver, Canada · UCCL02462 CtHMTH
- SLC to Richard Watson Gilder, 12 March 1896 · Jaipur, India · UCCL05031 CtWep1
- SLC to Richard Watson Gilder, 13 January 1898 · Vienna, Austria · UCCL05167 CLU-SC
- SLC to Richard Watson Gilder, 2 April 1898 · Vienna, Austria · UCCL05373 CtY-BR
- SLC to Richard Watson Gilder, 2 April–3 April 1898 · Vienna, Austria · UCCL09031 ViU
- SLC to Richard Watson Gilder, 29 April 1898 · Vienna, Austria · UCCL05381 NNPM
- SLC to Richard Watson Gilder, 7 May 1898 · Kaltenleutgeben, Austria · UCCL05386 CLjC
- SLC to Richard Watson Gilder, 12? June 1898 · Kaltenleutgeben, Austria · UCCL13448 ViU
- SLC to Richard Watson Gilder, 17 June 1898 · Kaltenleutgeben, Austria · UCCL11927 GMar2, CU-MARK
- SLC to Richard Watson Gilder, 6–13 November 1896 · Vienna, Austria · UCCL05459 CtY
- SLC to Richard Watson Gilder, 13 December 1898 · Vienna, Austria · UCCL12843 CU-MARK
- SLC to Richard Watson Gilder, 28 December 1898 · Vienna, Austria · UCCL10090
- SLC to Richard Watson Gilder, 6 January 1899 · Vienna, Austria · UCCL05534 CU-MARK
- SLC to Richard Watson Gilder, 2 February 1899 · Vienna, Austria · UCCL05542 NN
- SLC to Richard Watson Gilder, 25 February 1899 · Vienna, Austria · UCCL05548 CtY-BR
- SLC to Richard Watson Gilder, 14 March 1899 · Vienna, Austria · UCCL05562 NN
- SLC to Richard Watson Gilder, 15 May 1899 · Vienna, Austria · UCCL09903
- SLC to Richard Watson Gilder, 2 June 1899 · London, England · UCCL05629
- SLC to Richard Watson Gilder, 23 July 1899 · Sanna, Sweden · UCCL05657 CtY-BR
- SLC to Richard Watson Gilder, 22 August 1899 · Sanna, Sweden · UCCL05663 CtY-BR
- SLC to Richard Watson Gilder, October 1899 · London, England · UCCL05682 TxU-Hu
- SLC to Richard Watson Gilder, 16 October 1899 · London, England · UCCL05690 NN
- SLC to Richard Watson Gilder, 6 July 1900 · Willesden, England · UCCL10830 InU-Li
- SLC to Richard Watson Gilder, 8 July 1900 · London, England · UCCL05833
- SLC to Richard Watson Gilder, 31 July 1900 · London, England · UCCL05841
- SLC to Richard Watson Gilder, 30 November 1900 · New York, N.Y · UCCL05923 NN
- SLC to Richard Watson Gilder, 11 December 1900 · New York, N.Y · UCCL05929 NN
- SLC to Richard Watson Gilder, 18 December 1900 · New York, N.Y · UCCL11011 CtHMTH
- SLC per Isabel V. Lyon to Richard Watson Gilder, 10 December 1902 · Riverdale, N.Y · UCCL06508 NN
- SLC to Richard Watson Gilder, Henry M. Alden et al, 21 July 1903 · Elmira, N.Y · UCCL08234 NN-BGC
- SLC to Richard Watson Gilder, 1 August 1903 · Elmira, N.Y · UCCL06717 NN
- SLC to Richard Watson Gilder, 12–13 May 1904 · Florence, Italy · UCCL06835 CU-MARK
- SLC to Richard Watson Gilder, 27 May 1904 · Florence, Italy · UCCL06841 CU-MARK
- SLC to Richard Watson Gilder, 7 June 1904 · Florence, Italy · UCCL06862 CU-MARK
- SLC to Richard Watson Gilder, 8 June 1904 · Florence, Italy · UCCL06863 CU-MARK
- SLC per Isabel V. Lyon to Richard Watson Gilder, 1 June 1905 · Dublin, N.H · UCCL07054 NN
- SLC to Richard Watson Gilder, 15 August 1905 · Norfolk, Conn · UCCL07110 NN
- SLC to Richard Watson Gilder, 3 November 1905 · Boston, Mass · UCCL07194 NN
- SLC to Richard Watson Gilder and Helena Gilder, 7 October–13 October 1909 · Redding, Conn · UCCL12065
- SLC to Richard Watson Gilder, 19 May n.y. · Unknown place · UCCL05053 NN
- SLC to Richard Watson Gilder, 28 September n.y. · Hartford, Conn · UCCL09559
- SLC to Richard Watson Gilder, 17 December n.y. · Unknown place · UCCL09548
- SLC to Richard Watson Gilder, unknown date, unknown place · UCCL13788 TxAu3
- SLC to Richard Watson Gilder, Unknown date · Unknown place · UCCL04304 NN
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