Music
- A Century of Creativity: The McDowell Colony
- African American Band Music and Recordings
- Amazing Grace
- American Choral Music, 1870-1923
- Dayton C. Miller Flute Collection
- Emile Berliner and the Birth of the Recording Industry
- Great Conversations in Music
- Lyrical Legacy: 400 Years of American Song and Poetry
- Patriotic Melodies
- Song of America (American Art Song)
- The Moldenhauer Archives
- West Side Story: Birth of a Classic
Folk Music
- California Gold: Northern California Folk Music From the Thirties
- Captain Pearl Nye: Life on the Ohio and Erie Canal
- Fiddle Tunes of the Old Frontier
- Florida Folklife from the WPA Collection, 1937-1942
- Folk-Songs of America: The Robert Winslow Gordon Collection, 1922-1932
- Hispano Music and Culture of the Northern Rio Grande: The Juan B. Rael Collection
- Home Sweet Home: Life in Nineteenth-Century Ohio
- Omaha Indian Music
- Southern Mosaic the John and Ruby Lomax 1939 Southern States Recording Trip
Individual Composers and Writers
- Aaron Copland Collection, ca. 1900-1990
- Gerry Mulligan Collection
- Roger Reynolds Collection
- The Irving Fine Collection
- The Leonard Bernstein Collection c.1920-1989
- Woody Guthrie and the Archive of American Folk Song, Correspondence, 1940-1950
Jazz and Blues
- Now What a Time: Blues, Gospel and the Fort Valley Music Festivals 1938-1943
- Ragtime
- William P. Gottlieb: Photographs from the Golden Age of Jazz
Marches and Military Music
- Band Music in the Civil War Era
- Civil War Sheet Music
- The March King: John Philip Sousa
- Transit of Venus March
Sheet Music
- African-American Sheet Music, 1850-1920
- America Singing: Nineteenth Century Song Sheets
- Historic American Sheet Music 1850-1920
- Historic Sheet Music Collection, 1800-1922
- Music for the Nation: American Sheet Music, 1820 - 1860 and 1870 - 1885
- We'll Sing To Abe Our Song: Sheet Music about Lincoln, Emancipation and the Civil War