. "Correspondence with Loewenstein, Karl"@en . . . . . . . "This material has been digitised. Readers should book a reading room terminal to access it."@en . . "Dr Karl Loewenstein (born Löwenstein; 1883-1965) was a U.S. American lawyer who had emigrated from Germany in 1939. He was the brother of Leo Löwenstein, founder of the Reichsbund jüdischer Frontsoldaten (RjF)."@en . "4 letters"@en . "WL3000/9/1/914" . . "Correspondence on bibliographic information regarding the Reichsbund jüdischer Frontsoldaten (RjF; Reich Federation of Jewish Front Soldiers)."@en . .