Backing her husband Tilman Zülch who founded the Society for Threatened Peoples, she created a regional group in Göttingen campaigning for the rights of ethnic and religious minorities.
[4] During her studies in Hamburg, in 1969 she took part in activities in support of Biafra (Biafrahilfe) and in 1970 in the closely related Society for Threatened Peoples, founded by Tilman Zülch whom she later married.
There she established the first regional group of the Society for Threatened Peoples in 1974, recruiting campaigners to fight for the rights of ethnic and religious minorities.
She went on to organize visits to German of American Indians from North and Latin America, allowing them to reveal details of their mistreatment.
[1] Köhler-Zülch spent a total of 32 years at the Göttingen Academy of Sciences and Humanities editing the Encyclopedia of Fairy Tales, in particular in connection with research in southeastern Europe on old and ancient sagas and stories.