Papers concern the Georgia tax system; Whig and Democratic politics in Georgia; Cobb's work in Congress and as Secretary of the Treasury; disaffection with the Confederate government in Georgia; and military activities, including a letter, 1863, from Robert Toombs about raising a regiment for home defense, and a letter, April 1865, to Joseph E. Brown about sending troops to aid Alabama. Also included are a letter, 1860, from wife Mary Ann Lamar Cobb, describing a state dinner and a party at the White House for the Prince of Wales; and a memorial prepared by the Macon bar at Cobb's death.