JANZER, Raphael. Zu IX. GARDEN TOAD (Bufo americanus). In: BREIMAIER, Anne; GRÜNDIG, Matthias (Hrsg.). Hollis Frampton: ADSVMVS ABSVMVS, in memory of Hollis William Frampton, Sr., 1913–1980, abest. Heidelberg: arthistoricum.net-ART-Books,2021. p. 148–151. DOI: 10.11588/arthistoricum.863.c11211. Disponível em: https://books.ub.uni-heidelberg.de/arthistoricum/catalog/book/863/chapter/11211.. Acesso em: 12 mai. 2024.