Historical Archive of the City of Cologne included copies of the protocols of the diets of the Hanseatic League. With the 1594 transfer, the Cologne archive became the most important repository of historical material concerning the Hanseatic League and thus concerning the history of Northern Germany in general, only matched by the municipal archives of Lübeck. On 27 February 1602, the city council ordered that books on jurisdiction and administration were to be systematically bought at the regularly held Frankfurt Book Fair. These were subsequently stored in the municipal archive and became the basis of the Cologne municipal library. The "Ratsbibliothek" was one of the few Cologne
History of the Jews in Cologne Group). The agitation against Judaism and Cologne Jews found no contrast, so in the antisemitic pieces of the Hänneschen-Theater or in Cologne Carnival, in which no clear criticism against National Socialism was exhibited. Carnival carriages in the Rosenmontag parade showed antisemitic themes and a carnival song mocked the Jews: ""Metz dä Jüdde es jetz Schluß, Se wandere langsam uss. (...) Mir laachen uns für Freud noch halv kapott. Der Itzig und die Sahra trecke fott"" (translation: ""With the Jews it is finished, they emigrate slowly… We laugh with joy. The Itzig and the Sarah move away"", The so-called Aryanization proceeded