Subject
- Copyright1
- Correspondence1
- Design protection1
- Engravings (prints)1
- Entertainers1
- Financial records1
- Inscriptions1
- Legal documents1
- Magic tricks1
- Magicians1
- Manuscripts (documents)1
- Music -- Performance1
- Music-halls (Variety-theaters, cabarets, etc.)1
- Musical theater1
- Musicals1
- Musicals -- Scores1
- Musicians1
- Operas -- Vocal scores with piano1
- Phonograph records1
- Photographs1