v. 1. Colonial beginnings through Revolution, 1500 to 1783 / editor, Andrew W. Robertson -- v. 2. The early republic, 1784 to 1840 / editor, Michael A. Morrison -- v. 3. Expansion, division, and Reconstruction, 1841 to 1877 / editor, William G. Shade -- v. 4. From the gilded age through age of reform, 1878 to 1920 / editor, Robert D. Johnston -- v. 5. Prosperity, Depression, and war, 1921 to 1945 / editor, Robert H. Zieger -- v. 6. Postwar consensus to social unrest, 1946 to 1975 / editor, Thomas S. Langston -- v. 7. The clash of conservatism and liberalism : 1976 to present / editor, Richard M. Valelly.