Bożena Szaynok, a historian at Wrocław University estimated that from July 1945 until June 1946 about fifty thousand Jews crossed the Polish border illegally.
弗罗茨瓦夫大学历史学家波热纳·沙伊诺克（Bożena Szaynok）估计，从1945年7月到1946年6月间，大约有5万犹太人非法越过波兰边境。