Waseige, J. René Magritte in the United States: Reconciling Business and Art. In Networking Surrealism in the USA: Agents, Artists, and the Market; Drost, J., Flahutez, F., Helmreich, A., Schieder, M., Hrsg.; Passages online; arthistoricum.net-ART-Books: Heidelberg, 2019; S. 280-302. https://doi.org/10.11588/arthistoricum.485.c7932.