Reader’s companion to American history [electronic resource]. Eric Foner and John A. Garraty; sponsored by the Society of American Historians. Boston: Houghton Mifflin, c1991.
History Reference (SH). Firestone E174 .R43 1991
Reader's guide to American history. Editor, Peter J. Parish. London; Chicago: Fitzroy Dearborn Publishers, 1997.
Trustee Reading Room Reference (DR) AND History Reference (SH)
Z1236 .R43 1997
Dictionary of American history [electronic resource]. Stanley I. Kutler, editor in chief. 3rd ed. New York, N.Y.: Charles Scribner’s Sons, c2003.
RECAP E174 .D52 2003
American foreign relations since 1600: a guide to the literature. Robert L. Beisner, editor. 2nd ed. Santa Barbara, Calif.: ABC-CLIO, c2003.
Trustee Reading Room Reference (DR) Z6465.U5 G84 2003
Blackwell Companions to US History:
A Companion to American Indian History
A Companion to Colonial America
A Companion to the American Revolution
A Companion to the Civil War and Reconstruction
A Companion to 19th-Century America
A Companion to 20th-Century America
A Companion to Post-1945 America
A Companion to the Vietnam War
A Companion to the American South
A Companion to the American West
A Companion to American Cultural History
A Companion to American Women's History
A Companion to American Technology
A Companion to American Immigration
A Companion to American Environmental History
A Companion to American Military History
A Companion to California History
American National Biography Authoritative biographies of prominent Americans who are deceased. As with the Oxford DNB, an excellent starting point.
Oxford Bibliographies Thorough bibliographies covering important works on many topics in history
American History to 1900
Twentieth-century U.S. foreign affairs
Twentieth-century U.S. society and politics
U.S. economic, business and labor history
U.S. presidential papers
Papers of American individuals & families
World War II
Vietnam War: primary sources