Oskar Jonas Glaser was arrested in Nijmegen by the Dutch police and was transported to Westerbork.
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Oskar Glaser, son of the widow Franziska Glaser-Krause, lived in the Nederlandsch-Israëlietisch Jongensweeshuis Megadle Jethomim, Amstel 21, in Amsterdam.
Registry of births, deaths and marriages. Data about persons deceased outside of Westerbork; archives of the Westerbork municipality, currently at the archives of Gemeente Midden-Drenthe in Beilen, input no. 21