- Letter book, New York City, August 28, 1807-July 29, 1814, containing copies of letters sent (and a few received) by Stevens as Major-General of Artillery, New York State Militia. The subjects of the letters are military matters and the War of 1812, and the correspondents include Solomon Van Rensselaer, Jacob Morton, and Gov. Daniel D. Tompkins., Major-General of Artillery, New York State Militia.
- A record book, dated 1791-1798 and 1800-1806, kept by Abraham Varick of New York City. The book contains copies of letters to merchants in England and Germany and lists of merchandise ordered from them. The letters discuss business matters, including the difficulties of transatlantic trade in wartime and the risk of seizures of ships. Commodities ordered are mainly textiles and metal goods (scissors, cutlery, hand tools, etc.)., Abraham Varick was a New York City dry goods merchant, and brother of jurist and politician Richard Varick.