2 Persons

• Houben, Heinrich Hubert

  born 31. March 1875 in Aachen; died 27. July 1935 in Berlin

  Karl Gutzkows Leben und Schaffen Leipzig : Hesse, [1908]

• Leitzmann, Albert

  born 1867; died 1950

  Briefe von Wilhelm von Humboldt an Friedrich Heinrich Jacobi Halle a.S. : Niemeyer, 1892