Harvard Guide to American History
Though dated, a useful guide to topics in political, social and economic history before 1970. Print.
Includes bibliographical references to materials in political, social, constitutional, and economic history. Divided into nine parts: 1) Research Methods and Materials, 2) Biographies and Personal Records, 3) Comprehensive and Area Histories, 4) Histories of Special Subjects, 5) America to 1789, 6) U.S., 1789-1860, 7) Civil War and Reconstruction, 8) Rise of Industry and Empire, and 9) Twentieth Century. Volume II also contains an index of names and a subject index.