Collection consists of correspondence and business documents relating to the extensive land holdings and agricultural business of Jacob S. Glen, 1773-1859, Town of Glen, Montgomery County, NY. Included are materials relating to leases, farms, land, real estate, and hired labor: business invoices, bills and invoices for personal and household goods, labor agreements, and assorted legal documents relating to his land holdings. Many of the items in this collection are written or docketed in Glen’s hand. Of note is a detailed 1857 auction notice that lists Glen’s farm property and goods.

Letters, invoices, accounts, and land, legal, and military papers of Jellis/Jelles Fonda of Montgomery County, N.Y. Also contains two ledgers of his general store in Caughnawaga (Fonda), Montogmery County, N.Y. Subjects of note include Fonda's trade with London markets and with Native Americans, many of whom were customers in the ledgers. Includes some photocopies.