Davidson, S. (2019). Peggy Guggenheim and Howard Putzel: Partners in Purchasing. In J. Drost, F. Flahutez, A. Helmreich, & M. Schieder (Hrsg.), Networking Surrealism in the USA: Agents, Artists, and the Market (S. 99-118). arthistoricum.net. https://doi.org/10.11588/arthistoricum.485.c7923