The Sylvanus Thayer Papers
United States Military Academy Association of Graduates Sylvanus Thayer Hall of Fame Committee Scrapbooks
Librairie de Kilian correspondence
C. Van Deventer Letter to Major General Sylvanus Thayer, the Superintendent of West Point
Will of Sylvanus Thayer
From Small Beginnings to Honorable Achievements: Sylvanus Thayer’s Legacy and Thayer Academy’s Evolution
Receipt of Payment, 1868 July 8 [n.p.], to Sylvanus Thayer [n.p.].
Letter, 1825 June 6, Albany [to] Col. Sylvanus Thayer
The Beginnings of the Thayer School of Engineering at Dartmouth College
Edgar Allan Poe Papers
George Jarvis Letters
Letters
Miscellaneous Documents Relating to the Thayer School, 1867-1871
The West Point Thayer Papers, 1808-1872
Letter, 1828 Nov. 22, Washington [to] Col Thayer
Instrument of Gift
Letters
Thomas Sully Papers
Instruments of Gift for the Endowment of the Thayer School of Civil Engineering
The West Point Thayer Papers, 1808-1872: Calendar of contents and preliminary matter. Letters 1808-1817. Letters 1818-1822. Letters 1823-1828. Letters 1829-1833, & appendix