Scientists and Inventors of the Renaissance
U.S. Imperialism and Progressivism
Democracy in the Poetry of Walt Whitman
Japanese-American Internment during World War II
Biographies of the American Revolution: Benjamin Franklin, John Adams, John Paul Jones, and More
Pioneers of the Industrial Age: Breakthroughs in Technology
Women's Rights in the United States: A Comprehensive Encyclopedia of Issues, Events, and People
Biographies of the New World: Leif Eriksson, Henry Hudson, Charles Darwin, and More
The WPA Putting America to Work
Icons Of Middle Ages: Rulers, Writers, Rebels, And Saints