Keywords: Ludwig Wittgenstein 4-5(cropped).jpg de Ludwig Wittgenstein 1899 “1951 Österreichische Nationalbibliothek Inventarnummer Pf 42 805 C 1 en Ludwig Wittgenstein 1899 “1951 Austrian National Library Accession number Pf 42 805 C 1 1930 http //www bildarchivaustria at/Pages/ImageDetail aspx p_iBildID 13887013 Austrian National Library Creator Moritz Nähr other versions Ludwig Wittgenstein jpg Custom license marker 2016 01 04 PD-old-70 Portraits of Ludwig Wittgenstein Photographs by Moritz Nähr Files uploaded by Papergirl |