German | Soviet Union | German language | Society of Jesus | Royal Society | German Empire | National Geographic Society | German people | American Cancer Society | Soviet Navy | Wilhelm II, German Emperor | German reunification | German Army | German Academic Exchange Service | Royal Television Society | American Physical Society | German literature | Soviet Army | American Chemical Society | International Society for Krishna Consciousness | Communist Party of the Soviet Union | American Society of Civil Engineers | Royal Society of Canada | Russian Soviet Federative Socialist Republic | Royal Geographical Society | American Philosophical Society | Theosophical Society | Royal Society of Edinburgh | German Navy | Society of Antiquaries of London |
After his retirement he joined several equestrian associations and was a member of the East German Olympic Committee and the executive board of the Society for German-Soviet Friendship and the East German Gymnastics and Sports Association.