American National Biography
REF CT213.A68 v.1-24
Dictionary of American Biography
REF E176.D56 v.1-22 + supplements
Atlas of American History
REF G1201.S1 J3 1978
Dictionary of American History
REF E174 .D52 2003 v.1-10
Encyclopedia of the United States in the Twentieth Century
REF E740.7 .E53 1996 v.1-4
Encyclopedia of the United States in the Nineteenth Century
REF E169.1 .E626 2001 v.1-3
The Princeton Encyclopedia of American political history
REF E183 .P85 2010 v.1-2
Encyclopedia of the United States Cabinet
REF E176 .G89 2000 v.1-3
Encyclopedia of American Foreign Policy
REF E183.7 .E52 2002 v.1-3
Encyclopedia of Western Colonialism Since 1450
REF JV22 .E535 2007 v.1-3
Encyclopedia of African American Culture and History
REF E185.E54 1996 v.1-5
Encyclopedia of American Cultural & Intellectual History
REF E169.1 .E624 2001 v.1-3
Encyclopedia of American Social History
REF HN57.E58 1993 v.1-3
Encyclopedia of American Social Movements
REF HN57 .E594 2004 v.1-4
Gale Encyclopedia of Multicultural America
REF E184.A1 G14 2000 v.1-3
Encyclopedia of U.S. Labor and Working-Class History
REF HD8066 .A78 2007 v.1-3
Historical Encyclopedia of American Labor
REF HD8066 .H57 2004 v.1-2