The dissertation Rapprochement from below? German-French town twinning from 1950 to 2000 is a historiographic study that focuses on town twinning as a specific aspect of German-French co-operation in the second half of the 20th century. The topic is analysed in a wider German-French context and based on statistical data as well as archive sources. The main objective of the study is to evaluate the impact of high-level bilateral relations on German-French town twinning, identify the motivation of its supporters and compare German-French town twinning in the West-German and East-German federal states. Additionally, the localisation of town twins was studied for the territory of the Federal Republic of Germany.