Rule of three : manuscript, 1774

An arithmetic copybook, with accounting problems concerning commercial transactions. There is a reference to the Boston Tea Party in problem no. 68.

Letter from William Croswell to an unidentified recipient, [1833]

Draft of a letter referencing Croswell's work on cubic equations.

Letter from William Croswell to an unidentified recipient, 1833 June 18

Draft of a letter regarding Croswell's time working on the Harvard Library Catalogue.

Letter from William Croswell to [John Quincy Adams], 1833 July

Four pages of notes and copies of letters including two rough drafts of a July 1833 letter presumably written to the former United States President John Quincy Adams.

Letter from William Croswell to John Quincy Adams, 1833 July 9

Two drafts on one leaf of a letter regarding the depreciation of currency.

Letter from William Croswell to an unidentified recipient, 1833 November

Five drafts of a letter providing a chronology of Croswell's time working on the Harvard Library Catalogue.

Letter from William Croswell to Harrison G. Otis, 1833 November 4

Two drafts of a letter requesting financial assistance.

Notice of trial in the case of Jonathan Fish [et al.] v. William Betts, 12 April 1774

Document addressed to Thomas Hicks (attorney for the defendant) informing him that Scott (attorney for the plaintiff) intends to bring the case to trial "at the next Supreme Court of Judicature to be held for the Province of New York." Signed by Scott.

Note from William Croswell to the Selectmen of Boston, 1782 June 5

A brief one-page note from Croswell resigning from the South Grammar School.

Letter from William Croswell to George Richards, 1794 September 1

One-page letter from Croswell to George Richards, the Pastor of the Universal Society in Portsmouth, New Hampshire, requesting information about teaching opportunities in the area.

Letter from George Richards to William Croswell, 1794 September 5

One leaf containing the response of Pastor George Richards to Croswell's September 1, 1794, request for information on teaching opportunities.

Letter from William Croswell to Dr. Dingley, 1795 July 9

One-page letter from Croswell to Dr. Dingley in New York City, requesting information on teaching opportunities in the area.

Note from William Croswell to Mrs. Crocker, [1795] July 30

Note regarding the return of Mrs. Crocker's books.

Letter from William Croswell to William Newton, 1796 December 12

One-page letter from Croswell to William Newton, the Secretary to the Marine Society of New York, requesting a certificate to teach navigation.