Goppelsröder, Fabian. “Subversive Drawing. Toni Hildebrandt on the Importance of Drawing from Joseph Beuys to Andy Warhol”. KULT_online0, no. 55 (August 1, 2018). Accessed July 7, 2020. https://journals.ub.uni-giessen.de/kult-online/article/view/210.