| Verfasser | Häufigkeit |
| Andersen, Hans Christian 1805-1875 |
14 |
| Schumann, Robert 1810-1856 |
13 |
| Andersen, Robert |
8 |
| Andersen, Robert 19XX- |
7 |
| Andersen, Roy R. |
7 |
| Seibert, Robert F. |
7 |
| Wagner, Jon G. |
7 |
| Andersen, Hans C. |
4 |
| Andersen, Elga |
3 |
| Buck, Chris |
3 |
| Carit Andersen, Poul |
3 |
| Lee, Jennifer |
3 |
| Lopez, Robert |
3 |
| Morthorst, Poul Erik |
3 |
| Redlinger, Robert Y. |
3 |
| Storm Petersen, Robert 1882-1949 |
3 |
| Andersen, Robert A. 1936- |
2 |
| Asmussen, Robert W. |
2 |
| Beecham, Thomas Knight 1879-1961 |
2 |
| Cardiff, Jack 1914-2009 |
2 |