Letter from James Winthrop to William Bentley, 1784 February 8

Two folio-sized leaves containing a two-and-a-half-page handwritten letter from Winthrop to Bentley with a lengthy discussion on a recent comet and related calculations.

Letter from James Winthrop to William Bentley, 1784 February 16

Two folio-sized leaves containing a three-page handwritten letter from Winthrop to Bentley regarding comet calculations and a short criticism of the sermons of Samuel Cooper (1725-1783).

Letter from James Winthrop to William Bentley, 1784 March 13

Two folio-sized leaves containing a two-page handwritten letter from Winthrop to Bentley briefly mentioning book purchases and discussing Joseph Priestley's Disquisitions relating to matter and spirit.

Letter from James Winthrop to William Bentley, 1784 March 22

Two octavo-sized leaves containing a three-page handwritten letter from Winthrop to Bentley discussing the Royal Society's Philosophical Transactions.

Letter from James Winthrop to William Bentley, 1784 April 6

Two folio-sized leaves containing a two-page handwritten letter from Winthrop to Bentley discussing Joseph Priestley's Disquisitions relating to matter and spirit, and possible references to astronomical phenomena in mythological stories. Winthrop briefly mentions a 1769 Harvard student poem attributed to his classmate Jonathan Williams Austin (1751-1779; Harvard AB1769).

Letter from James Winthrop to William Bentley, 1784 April 11

One folio-sized leaf containing a two-page handwritten letter from Winthrop to Bentley discussing the case of "Capt. H." whose ship was "legally condemned by the French Court.

Letter from James Winthrop to William Bentley, 1784 May 15

One octavo-sized leaf containing a brief one-page handwritten letter from Winthrop to Bentley with a complaint about not receiving the Salem Gazette.