Konrad Adenauer | György Konrád | Konrad Lorenz | Konrad Zuse | Konrad von Hochstaden | Konrad I, Duke of Głogów | Konrad I | Konrad Duden | Konrad Witz | Konrad von Preysing | Konrad Ruhland | Konrad Osterwalder | Konrad Friedrich Bauer | Konrad Adenauer Foundation | Johann Konrad Wilhelm Löhe | Friedrich Konrad Beilstein | Arnold Pannartz and Konrad Sweynheim | ''Portrait of Aino Kallas'' by Konrad Mägi | Konrad Zuse Medal | Konrad Wysocki | Konrad Wolf | Konrad Wachsmann | Konrad von Marburg | Konrad von Erlichshausen | Konrad Tuchscherer | Konrad Tom | Konrad Schmidt | Konrad Nordahl | Konrad Mutian | Konrad Mannert |
Together with Konrad Wölki, Herman Ambrosius, Heinrich Konietzny and others, Behrend was one of the leading proponents in the development of mandolin and plucked string music towards higher quality and enhanced expressivity in Germany after the war.