Progressive Era to New Era, 1900-1929
- African American Photos for Paris Exhibition 1900
- Alexander Graham Bell Family Papers at the Library of Congress
- American Leaders Speak: Recordings From WWI and the 1920 Election
- American Notes: Travels in America, 1750-1920
- Before and After the Great Earthquake and Fire: Early films of San Francisco, 1897-1916
- Cabinet of American Illustration
- Chronicling America: Historic American Newspapers
- George Grantham Bain Collection
- Inventing Entertainment: the Early Motion Pictures and Sound Recordings of the Edison Companies
- Last Days of a President: Films of McKinley and the Pan American Exposition, 1901
- Origins of American Animation 1900-1921
- Panoramic Maps
- Panoramic Photographs: Taking the Long View, 1851-1991
- Photographs From the Chicago Daily News 1902-1933
- Polish Declarations of Admiration and Friendship for the United States
- Prosperity and Thrift: The Coolidge Era and the Consumer Economy 1921-1929
- Puerto Rico at the Dawn of the Modern Age 19th and Early 20th Century Perspectives
- Reclaiming the Everglades: South Florida's Natural History 1884-1934
- Small Town America: Stereoscopic Views from the Robert Dennis Collection 1850-1920
- The American Variety Stage: Vaudeville and Popular Entertainment, 1870-1920The American Variety Stage: Vaudeville and Popular Entertainment, 1870-1920
- The Dream of Flight: A Library of Congress Special Presentation Commemorating the Centennial of Flight
- The Emergence of Advertising in America: 1850-1920
- The Evolution of the Conservation Movement, 1850-1920
- The Historic American Sheet Music collection
- The Spanish-American War in Motion Pictures
- The Wilbur and Orville Wright Papers at the Library of Congress
- Theodore Roosevelt: His Life and Times on Film
- Touring Turn-of-the-Century America: Photographs from the Detroit Publishing Company, 1880-1920
- Traveling Culture: Circuit Chautauqua in the Twentieth Century
- Wright Brothers Negatives
Immigration and Ethnic Heritage
- African American Perspectives: Pamphlets from the Daniel A. P. Murray Collection, 1818-1907
- African-American Sheet Music, 1850-1920
- First Person Narratives of the American South, 1860-1920
- From Slavery to Freedom: The African-American Pamphlet Collection, 1824-1909
- The African-American Experience in Ohio: Selections from the Ohio Historical Society
- The Chinese in California, 1850-1925
- The Church in the Southern Black Community 1780-1925
Industrialization, Urbanization and Labor
- America at Work: America at Leisure 1894-1915
- Inside an American Factory: Films of the Westinghouse Works 1904
- National Child Labor Committee Collection
- The Life of a City: Early Films of New York, 1898-1906
Westward Expansion
- History of the American West 1860-1920
- Pioneering the Upper Midwest: Books From Michigan, Minnesota, and Wisconsin ca. 1820-1910
- Prairie Settlement: Nebraska Photographs and Family Letters 1862-1912
- The Northern Great Plains, 1880-1920 Photographs from the Fred Hulstrand and F.A. Pazandak Photograph Collections
- The South Texas Border, 1900-1920
Women's Suffrage
- Miller NAWSA Suffrage Scrapbooks, 1897-1911
- Votes for Women: Selections from the National American Women Suffrage Association Collection, 1848-1921
- Women of Protest: Photographs from the Records of the National Woman's Party