Catalogue Ralph Tepel: Malerei, Skulpturen, Installation, galerie dr. jochim, Celle, k1 editions Cologne-Solingen-Ankara 2017

Catalogue Ralph Tepel: Fluidum selected works from this series, 2009-2016

Peripheral ARTeries Art Review special summer issue with article and interview:

Catalogue Ralph Tepel: no liberty island, k1 edition, Solingen / Cologne / Ankara 2017

Catalogue west-eastern divan exhibition, k1 gallery, Solingen 2016: