1. Act of 13 July 1920. The Law on Academic Schools. Retrieved from http://isap.sejm.gov.pl/isap.nsf/download.xsp/WDU19200720494/O/D19200494.pdf
2. Act of 15 March 1933. The Law on Academic Schools. Retrieved from http://isap.sejm.gov.pl/isap.nsf/download.xsp/WDU19330290247/O/D19330247.pdf
3. Act of 15 December 1951. The Law on Higher Education and Science. Retrieved from http://isap.sejm.gov.pl/isap.nsf/download.xsp/WDU19520060038/O/D19520038.pdf
4. Act of 5 November 1958. The Law on Higher Education. Retrieved from http://isap.sejm.gov.pl/isap.nsf/download.xsp/WDU19580680336/O/D19580336.pdf
5. Act of 4 May 1982. The Law on Higher Education. Retrieved from http://isap.sejm.gov.pl/isap.nsf/download.xsp/WDU19820140113/O/D19820113.pdf