In Six Volumes. Volume 1, The Foundations Of Ohio, By Beverley W. Bond, Jr.; Volume 2, The Frontier State 1803-1825, By William T. Utter; Volume 3, The Passing Of The Frontier 1825-1850, By Francis P. Weisenburger; Volume 4, The Civil War Era 1850-1873, By Eugene H. Roseboom; Volume 5, Ohio Comes Of Age 1873-1900, By Philip D. Jordan; Volume 6, Ohio In The Twentieth Century 1900-1938, Planned And Compiled By Harlow Lindley, With Chapters By Fifteen Different Contributors.