I also included cities which were German back then but are now located in other countries. Anyway, enjoy these pics
Berlin
Dresden
Leipzig
Breslau/Wroclaw
Stettin/Szczecin
München (Munich)
Freiburg
Hamburg
Karlsruhe
Magdeburg
Halle
Danzig/Gdansk
Bremen
Frankfurt am Main
Hannover
Braunschweig (Brunswick)
Kassel
Lübeck
Königsberg/Kaliningrad
Bonn
Köln (Cologne)
Düsseldorf
Straßburg/Strasbourg
Berlin
Dresden
Leipzig
Breslau/Wroclaw
Stettin/Szczecin
München (Munich)
Freiburg
Hamburg
Karlsruhe
Magdeburg
Halle
Danzig/Gdansk
Bremen
Frankfurt am Main
Hannover
Braunschweig (Brunswick)
Kassel
Lübeck
Königsberg/Kaliningrad
Bonn
Köln (Cologne)
Düsseldorf
Straßburg/Strasbourg