The Polish Biographical Dictionary (PSB) is a joint publication of the Polish Academy of Sciences (PAN) and the Polish Academy of Arts and Sciences (PAU) carried out by the Institute of History PAS. It has been published since 1935, with entries arranged in alphabetical order. Due to complications with acquiring the copyright for most entries - the electronic version only in limited access. Individual biographies are available on the Internet Polski Słownik Biograficzny (iPSB), maintained by Filmoteka Narodowa - Instytut Audiowizualny (FINA).