| Verfasser | Häufigkeit |
| Schäfer, Markus 1961- |
56 |
| Schäfer, Leopold 1884-1953 |
34 |
| Schäfer-Lembeck, Hans-Ulrich |
31 |
| Schäfer, Christine 1965- |
30 |
| Schäfer, Lothar |
27 |
| Schäfer, Ludwig |
26 |
| Mozart, Wolfgang Amadeus 1756-1791 |
22 |
| Schäfer, Frank L. 1974- |
20 |
| Schäfer, Karl Ludolf 1866-1931 |
20 |
| Schäfer, Lars |
18 |
| Schäfer, Lisbeth 1874- |
16 |
| Schäfer, Andreas |
15 |
| Lieb-Schäfer, Ulrike |
14 |
| Luther, Martin 1483-1546 |
14 |
| Mohr, Klaus 1962- |
14 |
| Schäfer, Hans Dieter 1939- |
14 |
| Schäfer, Rudolf 1878-1961 |
14 |
| Harnoncourt, Nikolaus 1929-2016 |
13 |
| Schäfer, Heinrich 1868-1957 |
13 |
| Schäfer, Lothar 1934-2020 |
13 |