Verlag : Bouvier

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  Bonner Literatur-Kalender Jg. 1925 (1925). 1925

  Buchhandlung Friedrich Cohen <Bonn>

  Bonn : Bouvier, 1925 - 1932; 1949; 1961; 1980(1979)[?] ; Bonn : Cohen, 1925-1932
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  Bonner Literatur-Kalender Jg. 1929 (1929). 1929

  Buchhandlung Friedrich Cohen <Bonn>

  Bonn : Bouvier, 1925 - 1932; 1949; 1961; 1980(1979)[?] ; Bonn : Cohen, 1925-1932
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  Bonner Literatur-Kalender Jg. 1932 (1932). 1932

  Buchhandlung Friedrich Cohen <Bonn>

  Bonn : Bouvier, 1925 - 1932; 1949; 1961; 1980(1979)[?] ; Bonn : Cohen, 1925-1932
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  Bonner Literatur-Kalender Jg. 1949 (1949). 1949

  Buchhandlung Friedrich Cohen <Bonn>

  Bonn : Bouvier, 1925 - 1932; 1949; 1961; 1980(1979)[?] ; Bonn : Cohen, 1925-1932
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  Bonner Literatur-Kalender Jg. 1961 (1961). 1961

  Buchhandlung Friedrich Cohen <Bonn>

  Bonn : Bouvier, 1925 - 1932; 1949; 1961; 1980(1979)[?] ; Bonn : Cohen, 1925-1932
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  Bonner Literatur-Kalender Jg. 1980 (1980). 1980

  Buchhandlung Friedrich Cohen <Bonn>

  Bonn : Bouvier, 1925 - 1932; 1949; 1961; 1980(1979)[?] ; Bonn : Cohen, 1925-1932
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  Bonner Literatur-Kalender

  Bonner Gelehrte u. ihre Werke

  Buchhandlung Friedrich Cohen <Bonn>

  Bonn : Bouvier, 1925 - 1932; 1949; 1961; 1980(1979)[?] ; Bonn : Cohen, 1925-1932