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In page Geertruida Wijsmuller-Meijer:

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She reserved trains at the station, and, with the help of the parents and Jewish organisations, succeeded in evacuating 600 children from Vienna on 10 December. The journey from Vienna to Hook of Holland took around 30 hours. One hundred of the children received shelter in the Netherlands, while 500 traveled on to Britain. In England, Wijsmuller had contact with Lola Hahn-Warburg (a chairwoman from the RCM, who asked in astonishment: "but you were only sent to talk?"[1]: 9  when Wijsmuller arrived with 600 children. In the Netherlands, she cooperated with the social worker Gertrude van Tijn[2] from the Committee for Special Jewish Interests , belonging to the Committee for Jewish Refugees), Mies Boissevain-van Lennep and many others.[citation needed]