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In page Geertruida Wijsmuller-Meijer:

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Wijsmuller was convinced of the urgency of these transports and gave momentum to the "Kindertransporte", as the evacuations came to be called. She maintained contacts with all of the parties involved in several countries, including the main committees in Vienna, Hamburg, Frankfurt and Berlin (from March 1939 in Prague and Dantzig [1]: 12 ) and also the train and boat companies.[citation needed]