1 November: Berta forced labour camp established by the SS. Its prisoners were mostly Russians, Poles, Czechs, Ukrainians, Lithuanians and Yugoslavs.[19]
1944
March/April: DESt forced labour camp established by the SS. Its prisoners were mostly Poles, Russians, Belgians, Dutchmen and Germans.[20]
Lowell Mason (1854), "Great Musical Festival at Dusseldorf", Musical letters from abroad: including detailed accounts of the Birmingham, Norwich, and Dusseldorf musical festivals of 1852, New York: Mason Brothers
Chałupczak, Henryk (2004). "Powstanie i działalność polskich placówek konsularnych w okresie międzywojennym (ze szczególnym uwzględnieniem pogranicza polsko-niemiecko-czechosłowackiego)". In Kaczmarek, Ryszard; Masnyk, Marek (eds.). Konsulaty na pograniczu polsko-niemieckim i polsko-czechosłowackim w 1918–1939 (in Polish). Katowice: Wydawnictwo Uniwersytetu Śląskiego. p.20.
"History". Museum Kunstpalast. Archived from the original on December 29, 2012. Retrieved January 3, 2013.
in English
"Düsseldorf", Appleton's European Guide Book Illustrated, London: Longmans, Green, Reader, and Dyer, 1871
Norddeutscher Lloyd (1896), "Düsseldorf", Guide through Germany, Austria-Hungary, Italy, Switzerland, France, Belgium, Holland and England, Berlin: J. Reichmann & Cantor, OCLC8395555
G. Holscher (1900), "Düsseldorf", A Guide to the Rhine, Cologne: Hoursch & Bechstedt, OCLC8672751
"Düsseldorf", Encyclopedia Americana, New York: Encyclopedia Americana Corp., 1918
in other languages
Nicolas de Pigage (1781), La Galerie électorale, de Dusseldorff, ou, Catalogue raisonné de ses tableaux (in French), Bruxelles: J.B. Jorez, OL24342357M