| Standardized Name ☓ | Authority Source | Authority Rank | Role |
|---|---|---|---|
| Zygoma, Veit | Original | 00: Original Source | Librettist |
| Zygoma, Veit | Oxford Music Online | 01: OMO | Librettist |
| Zygoma, Veit | VIAF | 02: VIAF | Librettist |
| Zygoma, Veit | Gallica | 03: Gallica | Librettist |
| Zygoma, Veit | RISM | 04: RISM | Librettist |
| Zygoma, Veit | Stieger Opernlexicon | 05: Stieger Opernlexicon | Librettist |
| Zygoma, Veit | Wikipedia | 06: Wikipedia | Librettist |
| Zwerenz, Karl Georg, 1874-1933 | Original source | 00: Original source | Librettist |
| Zwerenz, Karl Georg, 1874-1933 | Oxford Music Online | 01: Oxford Music Online | Librettist |
| Zwerenz, Karl Georg, 1874-1933 | Gallica | 03: Gallica | Librettist |
| Zwerenz, Karl Georg, 1874-1933 | Stieger Opernlexikon | 05: Stieger Opernlexikon | Librettist |
| Zwerenz, Karl Georg, 1874-1933 | Wikipedia | 06: Wikipedia | Librettist |
| Zwerenz, Karl Georg, 1874-1933 | International Encyclopedia of Dance | B01: International Encyclopedia of Dance | Librettist |
| Zwerenz, Karl Georg, 1874-1933 | Bibliothèque Musicale de la Ville de Genève | V01: Bibliothèque Musicale de la Ville de Genève | Librettist |
| Zwerenz, Karl Georg, 1874-1933 | Library of Congress name authorities | ZZ: Library of Congress name authorities | Librettist |
| Zweig, Stefan, 1881-1942 | Oxford Music Online | 01: Oxford Music Online | Librettist |
| Zurla, Placido, 1769-1834 | Oxford Music Online | 01: Oxford Music Online | Composer |
| Zurla, Placido, 1769-1834 | Gallica | 03: Gallica | Composer |
| Zurla, Placido, 1769-1834 | Stieger Opernlexikon | 05: Stieger Opernlexikon | Composer |
| Zurla, Placido, 1769-1834 | Wikipedia | 06: Wikipedia | Composer |