The yearbooks of the Cologne History Association contain current articles on Cologne's history and culture from antiquity to the present. The present yearbook 84 deals with a Cologne procedure for the persecution of witches in Zons, the question of the dating of the western building of St. Pantaleon in Cologne, the Schmitz family in Cologne at the end of the Second World War, Laura Oelbermann and the evangelical Cologne association of women's aid, the The beginning of the railway history of the city of Cologne 180 years ago, the towers and walls of the city in the Middle Ages, the shipowner and entrepreneur Rudolph Wahl junior or the visit of Hoffmann von Fallersleben as a Bonn student in Cologne.