The Progressive Era: A Reference Guide
Opposition to War: An Encyclopedia of U.S. Peace and Antiwar Movements
Defining Documents in American History: The Legacy of 9/11 (1998-2018)
Defining Documents in American History: Postwar 1940s (1945-1950)
Defining Documents in American History: Reconstruction Era (1865-1877)
Endangered Species: A Documentary and Reference Guide
Documents of the LGBT Movement: Eyewitness to History
American History through Its Greatest Speeches: A Documentary History of the United States
American Civil War: Interpreting Conflict through Primary Documents
Defining Documents in American History: The 1910s (1910-1919)
Artifacts from Medieval Europe
Water Planet: The Culture, Politics, Economics, and Sustainability of Water on Earth
Defining Documents in American History: Supreme Court Decisions (1803-2017)
Defining Documents in World History: The 17th Century (1601-1700)
Defining Documents in World History: The 19th Century (1801-1900)
Defining Documents in American History: The 1970s (1970-1979)