The Polish Astronomical Society (Polskie Towarzystwo Astronomiczne, PTA) is science society in Poland, founded in 1923, with headquarter in Warsaw.
Society of Jesus | Royal Society | National Geographic Society | Polish language | American Cancer Society | Royal Television Society | International Astronomical Union | American Physical Society | Second Polish Republic | American Chemical Society | International Society for Krishna Consciousness | American Society of Civil Engineers | Royal Society of Canada | Royal Geographical Society | American Philosophical Society | Theosophical Society | Royal Society of Edinburgh | Polish Navy | Society of Antiquaries of London | Society of the Cincinnati | Society for the Prevention of Cruelty to Animals | Polish Academy of Sciences | Polish-Lithuanian Commonwealth | Justice Society of America | American Mathematical Society | Royal Aeronautical Society | Polish people | National Honor Society | Black Label Society | Students for a Democratic Society |