Katja Spiess

Katja Spiess has contributed:
To the English version of the encyclopaedia (2 articles)
To the Spanish version of the encyclopaedia (2 articles)
To the French version of the encyclopaedia (2 articles)

English version

Astrid Griesbach (Written by)
Tristans Kompagnons (Written by)

French version

Astrid Griesbach (Written by)
Tristans Kompagnons (Written by)

Spanish version

Astrid Griesbach (Written by)
Tristans Kompagnons (Written by)