Areas of coverage include United States Telegraph Revenue Stamps used during and after the Civil War, usages as concerning local stamps used in the mid-nineteenth century as well as seals and labels of the private telegraph companies. The main body of the book is devoted to an in-depth study of the twenty six companies which issued stamps and/or franks. Where possible, a listing of covers and message forms is included...there are over five hundred illustrations. Includes the 1992 Pricing and Control Number Guides.