Sends plan for communication with Culper (Abraham Woodhull); directions for using cipher dictionary; special ink can be sent by bearer of Tallmadge's letter.

Letter partially in cipher; Tallmadge is going to Litchfield to fetch dragoons; intelligence of enemy ships in Long Island Sound; encloses letter from Culper (Abraham Woodhull).

Memorandum that a share in the Ohio Company conveyed to Benjamin Tallmadge by Uriah Tracy is security for a debt owed by Tracy to Benjamin Tallmadge & Co.

Arms for 2nd Continental Light Dargoons are unavailable for Litchfield or Springfield; part of the regiment will have to serve on foot; suggestions for recruiting approved by Gen. Robert Howe.

Series 3, arranged by type of material, consists of Tallmadge's financial papers: accounts, account books, letterbooks, bills, and receipts.

Contains bills of interest on money borrowed by the United States.

Transmits report from the State of Massachusetts regarding proceedings in honor to the memory of John Qunicy Adams.

Requesting that a meeting of the Council of State be held in the absence of the governor. Frederick A. Tallmadge married Eliza Canfield, daughter of Judson Canfield of Sharon, Conn.

Three letters, from Benjamin Tallmadge to George Washington. The first two letters concern correspondence with Culper, including several passages in code. The third letter concerns provisions of weapons and horses for the regiment. The letter in cipher dated 1779 Jul 28 was conserved by Richard Stenman on June 27, 2009. Report filled with 1933-19-0.

Series 2, arranged by type of material, consists of Tallmadge's legal documents. The majority of the papers concern land transactions, while others pertain to his store, Benjamin Tallmadge & Co., and to other financial investments. Also included in this series are bills of sale of enslaved people.