To 1921-08-15
- Sketch for Harmony Ives to American Music Center [same page as Letter 376; 29/1]
- Sketch for Harmony Ives to C. C. Birchard and Co. [same page as Letter 376; 29/1]
- Undated sketch for Harmony Ives to Charles Seeger [31/18]
- Undated sketch for Harmony Ives to E. Power Biggs [27/9]
- Undated sketch for Harmony Ives to Serge Koussevitzky [30/12]
- Mid-July 1932, to Nicolas Slonimsky (London) [ALS (copy); 32/3]
- Ca. 10 September 1881 to Sarah H. Ives (Danbury, Connecticut) [ALS]
- 18 July 1886, to George Ives [ALS]
- 14 August 1889, to George Ives [ALS]
- 20 August 1889, to George Ives [ALS]
- 27 August 1889, to Sarah H. Ives (Danbury, Connecticut) [ALS]
- 31 August 1889 [1890], to Amelia Brewster [ALS]
- 19 August 1890, to George Ives [ALS], and Amelia Brewster to George Ives [ALS]
- 9 May 1893, to George Ives (New Haven) [ALS]
- 5 July 1893, to George Ives [ALS]
- 12 July 1893, to George Ives [ALS]
- 22 August 1893, to George Ives (stationery: “The Colonies[,] Chicago”) [ALS]
- 30 September 1893, to George Ives (incomplete) [AL]
- 4 October 1893, to Mollie Ives [ALS]
- 30 October 1893, to George Ives [ALS]
- 19 November 1893, to George Ives [ALS]
- 3 December 1893, to George Ives [ALS]
- 10 December 1893, to George Ives [ALS]
- 17 December 1893, to George Ives [ALS]
- 11 February 1894, to George Ives [ALS]
- 20 February 1894, to George Ives [ALS]
- 24 February 1894, to George Ives [ALS]
- 29 March 1894, to George Ives [ALS]
- 1 April 1894, to George Ives [ALS]
- 12 April 1894, to George Ives [ALS]
- 29 April 1894, to George Ives [ALS]
- 2 May 1894, to George Ives [ALS]
- 6 May 1894, to George Ives [ALS]
- 8 May 1894, to George Ives [ALS]
- 13 May 1894, to George Ives [ALS]
- 28 September 1894, from George Ives (Danbury, Connecticut) [ALS]
- 30 September 1894, to George Ives (written on the back of the paper of Letter 31) [ALS]
- 24 October 1894, to George Ives [ALS]
- 29 October 1894, to George Ives [ALS]
- 20 January 1895, to Mollie Ives [ALS]
- 4 March 1895, from Charles W. Whittlesey [ALS] (in John Kirkpatrick Papers, MSS 56, 87/97)
- September or October 1903, to David Twichell (New York) [ALS]
- July 1907, from Harmony Twichell (New York) [ALS]
- 17 October 1907, from Harmony Twichell(Hartford, Connecticut) [ALS; Correspondence Addendum]
- 25 October 1907, from Harmony Twichell [ALS]
- 26–27 October 1907 (postmarked 27 October), from Harmony Twichell [ALS]
- 27 October 1907, Sunday afternoon, from Harmony Twichell [ALS]
- 27 October 1907, Sunday morning, from Harmony Twichell [ALS]
- 28 October 1907, from Harmony Twichell [ALS]
- 28 October 1907, Monday, from Harmony Twichell [ALS]
- 29 October 1907, from Harmony Twichell [ALS]
- 7 November 1907, from Harmony Twichell [ALS]
- 8 November 1907, p.m. from Harmony Twichell [ALS]
- 22 November 1907, to Harmony Twichell [ALS]
- 24 November 1907, to Harmony Twichell [ALS]
- 25 November 1907, to Harmony Twichell [ALS]
- 26 November 1907, to Harmony Twichell [ALS]
- 6 December 1907, a.m.from Harmony Twichell (Hartford, Connecticut) [ALS]
- 6 December 1907, p.m., from Harmony Twichell [ALS]
- 25 December 1907, from Harmony Twichell [ALS]
- 13 January 1908, from Harmony Twichell (Hartford, Connecticut) [ALS; Correspondence Addendum]
- 30 January 1908, from Harmony Twichell (Danbury, Connecticut) [ALS; Correspondence Addendum]
- 31 January 1908, from Harmony Twichell (Danbury, Connecticut) [ALS; Correspondence Addendum]
- 6 February 1908, p.m., from Harmony Twichell (Hartford, Connecticut) [ALS; Correspon- dence Addendum]
- 11 March 1908, from Harmony Twichell (Lakewood, New Jersey) [ALS; Correspondence Addendum]
- 1 April 1908, from Harmony Twichell [ALS]
- 14 April 1908, from Harmony Twichell [ALS]
- 11 May 1908, from Harmony Twichell [ALS]
- 13 May 1908, to Harmony Twichell [ALS]
- 20 May 1908, to Harmony Twichell [ALS]
- 25 May 1908, to Harmony Twichell [ALS]
- 26 May 1908, Tuesday, to Harmony Twichell [ALS]
- 14 December 1911, to Walter Damrosch [typed, no sig.; 29/1]
- 24 June 1915, to Walter Damrosch [typed, no sig.; 29/1]
- 28 June 1915, from Walter Damrosch (Long Island, New York) [ALS; 29/1]
- 8 June 1916, from Harmony Ives (Hartford, Connecticut) [ALS; Correspondence Addendum]
- 4 September 1918, to C. C. Whittelsey, Assistant Personnel Secretary, Y.M.C.A. Ambulance Corps [typed, no sig.; 32/16]
- 19 November 1918, Julian Myrick to Rockland Tyng, New York Board of Taxes and Assessments (New York) [typed, no sig.; 30/18]
- 5 May 1920, from Henry D. Sedgwick (Cambridge, Massachusetts) [ALS; 31/17]
- 26 May 1920, from Henry F. Gilbert (Cambridge, Massachusetts) [ALS; 29/11]
- 28 May 1920, sketch for Ives to Henry F. Gilbert [29/11]
- 17 June 1920, from William Lyon Phelps (New Haven) [ALS (copy); 31/6]
- 4 July 1920, from William Lyon Phelps (Huron City, Michigan) [ALS; 31/6]
- 2 August 1920, from Julian Myrick (New York) [TLS; 30/18]
- 21 December 1920, to William Lyon Phelps [typed, no sig.; 31/6]
- Ca. 8 March 1921, from John Spencer Camp (Hartford, Connecticut) [ALS; 27/10]
- 9 March 1921, from Charles Wakefield Cadman (Los Angeles) [TLS; 27/10]
- 10 March 1921, from Walter Goldstein (New Orleans) [TLS; 29/13]
- 15 March 1921, from Elizabeth Sprague Coolidge (Lakewood, New Jersey) [TLS; 27/12]
- Ca. 15 March 1921, sketch for Ives to Elizabeth Sprague Coolidge [27/12]
- Ca. 3 April 1921, from Roland Diggle (stationery: Roland Diggle, Mus. Doc. / Organist— Composer . . . Los Angeles, California) [ALS; 29/1]
- 10 April 1921, from Henry H. Bellamann (Columbia, South Carolina) [TLS; 27/8]
- Ca. 10 April 1921, to Henry H. Bellamann [typed, no sig.; 27/8]
- 11 April 1921, to Charles Wakefield Cadman [TLS; 27/10]
- 18 April 1921, from Arnold Capleton (Prague) [ALS; 27/10]
- 22 June 1921, to Edwin Stringham [typed, no sig.; 32/7]
- 24 June 1921, to Arnold Capleton [typed, no sig.; 27/10]
- 4 July 1921, to Henry H. Bellamann [ALS; 27/8]
- 15 August 1921, from Arnold Capleton (Prague) [ALS; 27/10]
- 15 August 1921, from Clifton Furness (Indianapolis) [ALS; 29/9]