| Title | Libretto "Azra" |
| Alternate title | |
| Subtitle | istočni balet u dva čina i tri slike |
| Author | |
| Corporate author | Baletska škola gospođe Envald (Subotica) |
| Year of publication | 1925 |
| Place of publication | Subotica |
| Publisher | Baletska škola G-đe Envald |
| Source | |
| Signature | 66-617-1024 |