[2009-02-24]. (原始内容存档于2011-08-12). WarsawZoo. zoo.waw.pl. [2009-02-24]. (原始内容存档于2019-04-28). Vernon N. Kisling (编). Zoo and aquarium history: ancient animal
December 2023]. Greyman-Kennard, Danielle. Hamas terror against Israel like 'Warsaw Ghetto uprising', says BBC guest. The Jerusalem Post. 8 October 2023 [7