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
Cologne War 1288. After that, the archbishop and Prince-elector used the smaller cities of Bonn, south of Cologne, and Brühl, south of Cologne, on the Rhine River, as his capital and residence; by 1580, both his residence and the capital were located in Bonn. Although the city of Cologne obtained its status as a free imperial city in 1478, the Archbishop of Cologne retained judicial rights in the city; he acted as a Vogt, or reeve, and reserved the right of blood justice, or "Blutgericht"; only he could impose the so-called blood punishments, which included capital punishments, but also physical punishments that