In Poland—At the bottom are the documents in Actes et Documents du Saint Siege vol. 9 referring to an October 16, 1943, telegram, which was received by the secretary of state asking to help 460 Polish rabbis

The apostolic delegate in Tokyo, Archbishop Marella, facilitated saving these rabbis by sending them to Shanghai and then to Hawaii and then onto the US mainland. Source: Pope Pius XII and World War II: The Documented Truth