This series contains correspondence to Samuel Colt and to the Colt Company, 1836-1970, with the bulk of the letters covering up to 1890. The majority of the series is composed of orders and routine requests for catalogs, price lists, parts. The series also contains reports from agents in Europe and the United States. Requests for employment in Colt's new Armory are common in the early correspondence as are letters of a more personal nature from Samuel Colt's brother James. The series also contains a letter book of incoming correspondence from the Allies, 1873-1880. The Allies were a select group of arms dealers who, because of special araangements with the Colt Company, were insured of special prices and supplies. This letter book contains a copy of the Colt reply.