These papers include correspondence to Sabine, and miscellaneous accounts, receipts, and military records.

This is professional correspondence to and from Sabine and numerous scientists, including H. Lloyd and James C. Ross.

These papers include letters from Admiral C.R. Moorson, correspondence with James Ross and Edward Sabine concerning polar exploration, and a map of the stars near the North Pole.

These are letters to Quetelet primarily on the subject of astronomy (meteorological observations), including charts showing directions of shooting stars.

This collection includes letters to and from Americans (including South America and the West Indies) and letters about America selected from the Society's manuscripts (Classified Papers, Letter Books, Letters and Papers, Royal Society Letters, Miscellaneous Correspondence, and other official groups) and from collections of private papers (Sir Charles Blagden, William Buckland, John Canton, Sir John F. W. Herschel, Sir Edward Sabine, and others). The documents range in time and character from John Winthrop, Jr., "A Description of the Artifice & Making of Tarr & Pitch in New England" (1662), to letters from Sir Thomas Edward Thorne to his wife describing the American West, where he was on a surveying party in the 1880s.