ALS to D. Humphreys, 1810 February 11 Box 4, Folder 125 Bookmark Collection Context Yale University -Manuscripts and Archives Humphreys-Marvin-Olmstead collection, 1776-1867…
ALS to D. Humphreys, 1813 March 23 Box 4, Folder 135 Bookmark Collection Context Yale University -Manuscripts and Archives Humphreys-Marvin-Olmstead collection, 1776-1867…
ALS to D. Humphreys, 1814 April 1-1814 April 2 Box 4, Folder 124 Bookmark Collection Context Yale University -Manuscripts and Archives Humphreys-Marvin-Olmstead collection, 1776-1867…
ALS to D. Humphreys (2 versions: recipient's copy, duplicate copy), 1795 January 3 Box 2, Folder 57 Bookmark Collection Context Yale University -Manuscripts and Archives Humphreys-Marvin-Olmstead collection, 1776-1867…
ALS to D. Humphreys, [post-1802 Jun?] Box 4, Folder 128 Bookmark Collection Context Yale University -Manuscripts and Archives Humphreys-Marvin-Olmstead collection, 1776-1867…
ALS to D. Humphreys, with postscript by W[illiam?] S[tephens?] Smith, 1755-1816, dated "Septr. 1st 1786", 1786 August 14 Box 4, Folder 135 Bookmark Collection Context Yale University -Manuscripts and Archives Humphreys-Marvin-Olmstead collection, 1776-1867…
ALS to Dr. [James?] Robertsen, [1862] September 24 Box 6, Folder 256 Bookmark Collection Context Yale University -Manuscripts and Archives Humphreys-Marvin-Olmstead collection, 1776-1867…
ALS to E[dmund] C[harles] Genet, 1763-1834, 1806 May 9 Box 7, Folder 300 Bookmark Collection Context Yale University -Manuscripts and Archives Humphreys-Marvin-Olmstead collection, 1776-1867…
ALS to Eleazar T. Fitch (1791-1871), Serano E. Dwight (1786-1850), and Cleveland J. [Salter?], 1829 September 25 Box 7, Folder 273 Bookmark Collection Context Yale University -Manuscripts and Archives Humphreys-Marvin-Olmstead collection, 1776-1867…
ALS to Elihu Marvin, 1791-1878, 1809 September 21 Box 5, Folder 184 Bookmark Collection Context Yale University -Manuscripts and Archives Humphreys-Marvin-Olmstead collection, 1776-1867…