 Undergraduate students and may register as associated members.Honorary members include James S. Coleman and Shmuel Eisenstadt.Its seat is in Warsaw with regional offices in Białystok, Gdańsk, Katowice, Kraków, Lublin, Łódź, Opole, Poznań, Rzeszów, Szczecin, Toruń, Warszawa, Wrocław, and Zielona Góra.