v. 1. 1789-1825 (Washington-Monroe)-- v. 2. 1825-1849 (Adams-Polk)-- v. 3. 1849-1877 (Taylor-Grant)-- v. 4. 1877-1901 (Hayes-McKinley)-- v. 5. 1901-1933 (T. Roosevelt-Hoover) v. 6. (F. Roosevelt-Johnson)-- v. 7. 1969-1996 (Nixon-Clinton or?)-- v. 8. Documents, further reading, charts, tables, timelines, appendixes.