Correspondence of Henry Tappen, Lucas Elmendorf, William Coventry H. Waddell and others, and other Revolutionary War documents of Captain Samuel Van Vechten's company of Colonel Wynkoop's regiment; also, later letters and bills of Ulster County residents. Autographs include DeWitt Clinton, Samuel L. Southard, George T. Boutwell, Oliver Wendell Holmes, Simon Cameron, William H. Seward, and Governor Marcy.