Pan-American World Airways Inc. (New York, NY)(32)
Pan-American World Airways Inc.(23)
Francke, August Hermann (1663-1727)(18)
Akademie der Künste (Berlin, West) (1954-1993)(16)
Macher, Andreas (1698-1762)(15)
Petermann, Georg (1710-1792)(10)
Deutsche Lufthansa (Köln) (1954-)(8)
Düttmann, Werner (1921-1983)(8)
Mayer, Johann Siegfried Wilhelm(7)
British European Airways Corporation (1946-1972)(6)
Francke, Gotthilf August (1696-1769)(6)