Papers of a Kingston, New York family include correspondence (1740-1930); account books (1768-1770); a daybook (1758-1779); ledgers (1776, 1791-1808); journals, diaries, family Bibles, legal papers (1753-1804), and memorabilia. The bulk of the collection consists of business records of Cornelius Wynkoop and his sons, Cornelius C. Wynkoop and John C. Wynkoop.

Account book for a 19th century Oxford, Pennsylvania dealer in carpets and woollen goods.

Papers of the Connecticut fur trader. Collection includes correspondence (1817-1863), incoming, with some outgoing, encompasses over 1000 letters about the regional, national, and international fur trade; financial records (1777-1861), including account books, bills and receipts, and ledger sheets; and legal documents (1827-1861).

Ledger of 18th c. general merchants Shove, Bowen and Shove.

Account book for S. R. Rathbun, manufacturing agent for the Auburn Woolen Company

Account book for hardware dealer.

Account books and papers relating to the Phelps and Gorham Purchase in the Genesee Valley area of New York and Pennsylvania.

Three account books kept by George M. Page of Earlville, Madison County, New York.

Collection contains one ledger recording the purchase of staples from Osgood's General Store located near Hartford, Connecticut.

Financial records of Michael Musselman of Phelps, New York, including records of the use of his wool-carding machine, sawmill, and gristmill. Also includes an 1814 muster roll listing the members of Musselman's New York Detached Militia company.