Letter from James Winthrop to William Bentley, 1787 December 26

Two octavo-sized leaves containing a one-page handwritten letter from Winthrop to Bentley briefly discussing Winthrop's progress on geometric problems.

Letter from James Winthrop to William Bentley, 1788 February 27

Two leaves containing a one-page handwritten letter from Winthrop to Bentley that mentions Rev. John Prince (1751-1836) and briefly discussing the state of Winthrop's microscope and five volumes presented to Harvard that were printed in Calcutta, India.

Letter from James Winthrop to William Bentley, 1788 May 21

Two octavo-sized leaves containing a one-page handwritten letter from Winthrop to Bentley briefly mentioning some books and an upcoming inspection of library books.

Letter from James Winthrop to William Bentley, 1788 July 19

Two folio-sized leaves containing a two-and-a-half-page handwritten letter from Winthrop to Bentley containing a "memorandum of the principles on which the pentagraph is constructed." The text includes two geometric diagrams.

Letter from James Winthrop to William Bentley, 1788 August 20

Two octavo-sized leaves containing a one-and-a-half-page handwritten letter from Winthrop to Bentley briefly mentioning his efforts to visit the "Hon. N. G." (Nathaniel Gorham) and some recent activities of the Academy.

Letter from James Winthrop to William Bentley, 1788 December 7

One octavo-sized leaves containing a one-page handwritten letter from Winthrop to Bentley mentioning the shipment of a French version of the Henriad, The paper is torn.

Letter from James Winthrop to William Bentley, 1791 February 10

Two octavo-sized leaves containing a two-and-a-half-page handwritten letter from Winthrop to Bentley briefly mentioning recent book purchases and related literature about medals.

Letter from James Winthrop to William Bentley, 1791 September 12

Two octavo-sized leaves containing a one-page handwritten letter from Winthrop to Bentley that briefly discusses medals.

Letter from James Winthrop to William Bentley, 1795 October 12

Two octavo-sized leaves containing a one-page handwritten letter from Winthrop to Bentley that briefly discusses coins.

Letter from James Winthrop to William Bentley, 1795 November 5

Two octavo-sized leaves containing a one-and-a-half-page handwritten letter from Winthrop to Bentley that discusses medals.

Letter from James Winthrop to William Bentley, 1799 November 25

Two folio-sized leaves containing a one-and-a-half-page handwritten letter from Winthrop to Bentley discussing James Dallaway's Constantinople, Ancient and Modern, and Greek mythology.

Letter from James Winthrop to William Bentley, 1801 February 12

Two folio-sized leaves containing a one-and-a-half-page handwritten letter from Winthrop to Bentley discussing lunar tables, plans to publish, and a recent gem acquisition. The letter ends, "So Adams is OUT," referring to United States President John Adams's reelection defeat.

Letter from James Winthrop to William Bentley, 1801 July 21

Two octavo-sized leaves containing a one-page handwritten letter from Winthrop to Bentley with a brief reference to the skill of Mexican metal craftsmanship.

Letter from James Winthrop to William Bentley, 1803 October 31

Two octavo-sized leaves containing a one-page handwritten letter from Winthrop to Bentley briefly describing the delivery of a set of pamphlets.

Letter from James Winthrop to William Bentley, 1805 March 27

Two folio-sized leaves containing a two-page handwritten letter from Winthrop to Bentley with miscellaneous information about Winthrop's Nautical Almanack collection of and a list of Roman coins.