- Washington, D.C. ~ Theodor Horydczak ~ Photographs ~ 1923-1959
- Washington, George ~ Papers ~ 1741-1799
- Western U.S. ~ Photographs ~ 1860-1920
- Whitman, Walt ~ Notebooks ~ 1850s & 1860s
- Woman Suffrage ~ Books and Pamphlets ~ 1848-1921
- Woman Suffrage ~ Photographs and Prints ~ 1850-1920
- Woman Suffrage ~ Photographs ~ 1875-1938
- Woman Suffrage ~ Scrapbooks ~ 1897-1911
- Women's History ~ U.S. ~ Multiformat
- Work and Leisure ~ Films ~ 1894-1915
- World War I and 1920 Election ~ Recordings
- World War I ~ Military Newspapers ~ 1918-1919
- World War I ~ Rotogravures ~ 1914-1919
- World War II Maps ~ Military Situation Maps ~ 1944-1945
- Wright Brothers ~ Multiformat ~ 1881-1952