- CHSL : Joseph Haseltine: Manuscripts
- CHSL 1/01 Folder : V. R. Cartmell (5 letters) 1845-1846
- CHSL 1/02 Folder : Most Rev. Guy L. Chabrat (1 letter) 1835/1214
- CHSL 1/03 Folder : G. W. Clinton (1 letter) 1846/0415
- CHSL 1/04 Folder : Sr. Christine Coomes, SCN(1 letter) 1848/0511
- CHSL 1/05 Folder : Rev. Walter Coomes (1 letter) 1848/0315
- CHSL 1/06 Folder : Rose Cunningham (1 letter) 1845/0212
- CHSL 1/07 Folder : Most Rev. John B. David (7 letters) 1823-1834
- CHSL 1/08 Folder : Davis and Cox (1 letter) 1844/0520
- CHSL 1/09 Folder : G. Delamare (1 letter) 1845/0701
- CHSL 1/10 Folder : H. Dent (1 letter) 1846/0210
- CHSL 1/11 Folder : B. F. Dickey (1 letter) 1844/0725
- CHSL 1/12 Folder : Elizabeth A. Disney (1 letter) 1844/0408
- CHSL 1/13 Folder : Rev. E. J. Durbin (1 letter) 1848/0508
- CHSL 1/14 Folder : Sr. Elizabeth Suttle, SCN(1 letter) 1848/0511
- CHSL 1/15 Folder : Michael Faherty (2 letters) 1833
- CHSL 1/16 Folder : W. M. Fellowes (3 letters) 1842
- CHSL 1/17 Folder : J. W. Fenwick (1 letter) 1838/1120
- CHSL 1/18 Folder : Thomas Fitzgerald (10 letters) 1842-1843
- CHSL 1/19 Folder : Most Rev. Benedict J. Flaget (26 letters, 1 document) 1823-1841
- CHSL 1/20 Folder : B. J. Flaget (1 letter) 1834/0224
- CHSL 1/21 Folder : T. H. B. Forbes (1 letter) 1843/0318
- CHSL 1/22 Folder : E. M. Ford (1 letter) 1837/0704
- CHSL 1/23 Folder : B. F. N. Fortier (4 letters) 1826-1830
- CHSL 1/24 Folder : James Fort Muse (2 letters) 1838-1839
- CHSL 1/25 Folder : Simon Fouche, SJ (1 letter) 1835/0110
- CHSL 1/26 Folder : John P. Frankenstein (1 letter) 1838/1118
- CHSL 1/27 Folder : D. P. Haseltine (1 letter) 1858/0829
- CHSL 1/28 Folder : Alfred McConathy (1 letter) 1839/0330
- CHSL 1/29 Folder : James H. Marshall (5 letters) 1838-1842
- CHSL 1/30 Folder : Rev. C. Maenhaut (5 letters) 1830-1835
- CHSL 1/31 Folder : Rev. Bertrand Martial (1 letter) 1832/0601
- CHSL 1/32 Folder : John B. McIlvane (1 letter) 1842/1204
- CHSL 1/33 Folder : Francis McKay (2 letters) 1841
- CHSL 1/34 Folder : Rev. F. X. Euremond Harissart, SJ (1 letter) 1831/1015
- CHSL 1/35 Folder : Rev. John McGill (8 letters) 1835-1847
- CHSL 1/36 Folder : Rev. Edward McMahon (8 letters) 1835-1839
- CHSL 1/37 Folder : Rev. John Maguire (1 letter) 1844/1113
- CHSL 1/38 Folder : Abbe Moni (1 letter) 1833/0927
- CHSL 1/39 Folder : J. L. Murray (1 letter) 1845/0524
- CHSL 1/40 Folder : Rev. Charles P. Montgomery, OP (1 letter) 1838/0102
- CHSL 1/41 Folder : E. W. Morris (1 letter) 1841/0907
- CHSL 1/42 Folder : John Taylor Moore (1 letter) 1844/1218
- CHSL 1/43 Folder : Rev. Stephen H. Montgomery (16 letters) 1837-1844
- CHSL 1/44 Folder : Rev. William Murphy SJ (5 letters) 1842-1845
- CHSL 1/45 Folder : Family, sacramental, personal documents of Haseltine 1839-1851
- MHSL : Joseph Haseltine: Microfilm