"The Wonders of the Deep." Circa 11 March 1849-16 March 1851. A sermon written by Hector Humphreys given at St. Anne's Episcopal Church and at the Naval Academy.
"His flesh shall be fresher than a child." circa 13 March 1842-26 February 1847. A sermon written by Hector Humphreys given at St. Anne's Episcopal Church, All Hallows Church, and St. Margaret's Episcopal Church.
Hints to Farmers, On the Analysis of Soil and Manure. 1831. A scientific manual written and illustrated by Hector Humphreys to assist agriculturalists.
Letters from George C. Shepard to Hector Humphreys. 21 October 1834. Shepard congratulates Humphreys on his success as president of St. John's College and discusses the state of the government.
Letter from [Miss Mercer?] to Hector Humphreys. 9 March 1833. [Miss Mercer?] writes to Humphreys about a Mr. Blanchard wishing to know the origins of a report. He also congratulates Humphreys's on his success at St. John's College.
Letters from Denison Olmsted to Hector Humphreys. 24 January 1832-18 March 1832. Olmsted was a professor at Yale, and he corresponded with Humphreys about scientific apparatus in Europe.
Letter from Adeline C. Griswold to Hector Humphreys. 24 August 1830. Griswold is Humphreys's niece, and she writes for Humphreys's mother, who wishes that Humphreys would visit.
Letter from C. E. Leverett to Hector Humphreys. 16 July 1830. Leverett is a student of Humphreys at Washington College (now Trinity College), and he writes that he cannot attend commencement.