John Treat Irving Sr. letters, 1781-1858 1 box (49 items) Creator Irving, John T. (John Treat), 1778-1838 Abstract Or Scope A collection of letters of Judge John Treat Irving Sr. and Abigail Spicer Furman Irving, his wife, to various members of the Irving and Furman families. Most of the letters are personal and relate to family affairs. view more view less Collection Context Rare Book & Manuscript Library