Letter from William Tudor to William Vaughan,

One letter containing a brief history of the ice company business and William Tudor’s and Frederic Tudor’s ideas for the enterprise.

Letter from James Winthrop to William Bentley, 1806 March 25

Two folio-sized leaves containing a three-page handwritten letter from Winthrop to Bentley discussing the cartographical work by James Bruce (1730-1794) related to the Red Sea, and coins.

Letter from James Winthrop to William Bentley, 1806 March 31

Two folio-sized leaves containing a one-page handwritten letter from Winthrop to Bentley discussing world geography and asking for news about the African expedition of Scottish explorer Mungo Park (1771-1806).