Glass, Andrzej: "Polskie konstrukcje lotnicze 1893-1939" (Polish Aviation Designs 1893-1939), WKiŁ, Warsaw 1977 Glass, Andrzej: "Slownik biograficzny technikow polskich" (The Biographical Dictionary of Polish Engineers), SBTP, Warsaw 2003 External links RWD aeroplanes History of RWD and DWL works (Polish and French) RWD-6 Replica Project Aircraft manufacturers of Poland Science and technology in Poland Polish brands