See also the home page of the Legenda book series Germanic Literatures

Geest, Dirk de, and Fisch, Michael, ‘“i do not only commit myself — in making art — to one option”: Confronting Paul de Vree and Gerhard Rühm’, in Confrontational Readings: Literary Neo-Avant-Gardes in Dutch and German, ed. by Inge Arteel, Lars Bernaerts and Olivier Couder, Germanic Literatures, 21 (Cambridge: Legenda, 2020)