- Author: Franz Altheim, Ruth Stiehl, János Harmatta, Dieter Harnack, Roch Knapowski, Franz F. Schwarz, Zuhair Shunnar, Oswald Szemerényi, Erika Trautmann-Nehring
- Language: German
- Year: 1970
- Author: Eugen Lozovan, Ruth Stiehl, Erika Trautmann-Nehring
- Language: German
- Year: 1975
- Author: Olof Gigon, Denes Kövendi, Eugen Lozovan, Joachim Rehork, Hans N. Roisl, Emmerich Schaffran, Erika Trautmann-Nehring, Ruth Stiehl
- Language: German
- Year: 1962
- Author: Zelik I. Jampolski, Eugen Lozovan, Feodora v. Sachsen-Meiningen, Erika Trautmann-Nehring, Ruth Stiehl
- Language: German
- Year: 1969
- Author: Robert Göbl, Hans-Wilhelm Haussig, Ruth Stiehl, Erika Trautmann-Nehring
- Language: German
- Year: 1969
- Author: Franz Altheim Ruth Stiehl
- Language: German, English
- Year: 1970