| Verfasser | Häufigkeit |
| Spitzer, Robert L. 1932-2015 |
11 |
| Spitzer, Leo 1887-1960 |
6 |
| Spitzer, Leopold 1942-2020 |
5 |
| Endicott, Jean |
4 |
| Jancik, Hans 1905-2001 |
4 |
| Robins, Eli |
4 |
| Wolf, Hugo 1860-1903 |
4 |
| Spitzer, Gerd |
3 |
| Becher, Johannes Robert 1891-1958 |
2 |
| Bergemann, Werner 1930-2014 |
2 |
| Danegger, Mathilde 1903-1988 |
2 |
| Dessau, Paul 1894-1979 |
2 |
| Günther, Egon 1927-2017 |
2 |
| Haas, Robert 1886-1960 |
2 |
| Klein, Helmfried E. |
2 |
| Kornhuber, Johannes |
2 |
| Kunert, Günter 1929-2019 |
2 |
| Lang, Roland |
2 |
| Lind, Katharina 1936- |
2 |
| Ludwig, Rolf 1925-1999 |
2 |