(en) Wayne Chang, Ho Feng Shan: The 'Chinese Schindler' who saved thousands of Jews, CNN, July 24, 2015 : « The visas Ho gave out were unique -- they were only for Shanghai, an open port city without any immigration controls [...]. The holders of Ho's visas didn't all travel to Shanghai but they were able to use the papers to get a transit visa and escape elsewhere -- the United States, Palestine, and the Philippines to name a few destinations ».
(en) Baruch Tenembaum, Feng-Shan Ho, Chinese Savior, International Raoul Wallenberg Foundation, Extract of the "Saviors of Humanity" conference, sans date.
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(en) Elijah, Austrian Jews, sur le site biblediscovered.com, 20 avril 2009.