| Verfasser | Häufigkeit |
| Packard, Jerrold M. |
13 |
| Deeming, D. Charles |
1 |
| Ferguson, Mark W. J. |
1 |
| Graham, Susan 1960- |
1 |
| Hamm-Smith, Theresa |
1 |
| Heggie, Jake 1961- |
1 |
| Jones, David Lawrence 1930- |
1 |
| Lewis, Judith A. |
1 |
| Lewis, Michael D. |
1 |
| McNally, Terrence 1938-2020 |
1 |
| Monnin, Jean |
1 |
| Murphy, Michael A. |
1 |
| Packard, Earl L. 1885- |
1 |
| Packard, Harry |
1 |
| Packard, John |
1 |
| Packard, Thomas Roy |
1 |
| Rideout, Gary |
1 |
| Robertson, Ian |
1 |
| San Francisco Opera Chorus |
1 |
| San Francisco Opera Orchestra |
1 |