| Verfasser | Häufigkeit |
| Irmer, Otto von 1903-1992 |
98 |
| Irmer, Thomas 1962- |
37 |
| Beethoven, Ludwig van 1770-1827 |
22 |
| Lampe, Walther 1872-1964 |
22 |
| Irmer, Thomas 1964- |
21 |
| Bach, Johann Sebastian 1685-1750 |
20 |
| Irmer, Stefan 1962- |
18 |
| Morus, Iwan Rhys 1964- |
18 |
| Mozart, Wolfgang Amadeus 1756-1791 |
18 |
| Irmer, Dieter 1935- |
17 |
| Irmer, Hans-Jochen |
17 |
| Makaryk, Irene Rima 1951- |
17 |
| Metzger, Ingrid R. 1939-2012 |
17 |
| Association, Information Resources Management |
14 |
| Irmer, Klaus |
14 |
| Irmer, R. O. |
14 |
| Irmer, Georg 1853-1931 |
13 |
| Irmer, Thomas |
13 |
| Schumann, Robert 1810-1856 |
13 |
| Hansen, Jean-Pierre 1942- |
11 |