Subjects
- Librettos (documents for music)1
- Manuscripts (documents)1
- Motion picture industry -- India1
- Motion picture industry -- United States1
- Motion picture music -- United States1
- Music -- United States -- 20th century1
- Musicals -- United States -- 20th century1
- Musicians -- United States1
- Notes (documents)1
- Operas -- Scores1
- Orchestral music -- United States -- 20th century1
- Outlines (documents)1
- Phonograph records1
- Playbills1
- Posters1
- Programs (documents)1
- Proofs (printed matter)1
- Public officers1
- Publishers and publishing1
- Radio1