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Joseph Gregor (* 26 October 1888 Czernowitz – 12 October 1960 Vienna) was an Austrian writer, theater historian and librettist. He served as director of the Austrian National Library.
Joseph Gregor (* 26 October 1888 Czernowitz – 12 October 1960 Vienna) was an Austrian writer, theater historian and librettist. He served as director of the Austrian National Library.