- Twenty-four letters and financial accounts created by members of the Crooke family, originally of Ulster County, N.Y. Collection includes six documents pertaining to the disposal of the estate of Charles Crooke, Jr., dated 1753-1767; one autograph letter, signed, from John Crooke to Martin S. Wilkins, dated Rhinebeck, July 27, 1807; twelve autograph letters, signed, of an official nature from John Crooke Jr. to Henry Livingston, then clerk of neighboring Dutchess county, ranging in dare from 1737-1750; three personal autograph letters, signed, from William Crooke to Peter E. Elmendorf, all dated Raritan, ranging from 1784-1790; two undated autograph letters, signed, from Rebecca Wickham Crooke to cousins Peter E. Elmendorf and a Mrs. Bleecker (probably Catherine Elmendorf Bleecker, b. 1747)-- the latter is a letter of introduction for Mrs. Jeremiah Reynolds., John Crooke, Jr. served as clerk of Ulster county from 1746-1759. Other members of the Crooke family were also prominent in Ulster county politics, especially in the town of Kingston. Robert Crooke (1717-1802) moved to Rhode Island, married Ann Wickham, and had a daughter, Rebecca Wickham Crooke.
- Notebook, 1772-1774, of Alexander Watson, a landowner and resident of New York City who was nephew and heir of John Watson (1685-1768). Contains receipts, lists of deeds and properties, and a note of a lease assigned to him in New York to build a church; notes on taxes; excerpts from "A new system of agriculture, by a Country Gentleman," with references to other writers on agriculture; prayers; versified psalms; music for the "Old Hundredth" and "God Save the King"; secular poems and songs; moral, religious and economic reflections; and genealogical notes.
- Notebook of John Watson, the painter, containing miscellaneous notes and personal account information written by Watson in 1726 and by Watson's nephew, Alexander Watson in 1775-1778. There are accounts of things bought, real estate transactions, poetry, music, etc. Includes account "for painting in York, 1726." The volume also includes some pages covered with John Watson's boyhood arithmetic from 1701. Some pages missing.The notebook is extensively described in the article by John Hill Morgan, 'John Watson, Painter, Merchant, and Capitalist of New Jersey, 1685-1768', published in Proceedings of the American Antiquarian Society, vol. 50, p. 225., Painter, active in New Jersey and New York.
- William Yarrington's diary, September 21, 1759-October 30, 1776, recording his military experiences in the Crown Point area during the French & Indian War (1759) and also in the Revolutionary war, 1775-1776. He served with the 3rd N.Y. near Ticonderoga in 1775 and with the 2nd N.Y. (detached) as home guard on Long Island in 1776. Also included are some accounts.