Pietrzak, Jerzy, 1942- The Senate of the Republic of Poland : tradition and contemporaneity 15th-21st cent. / Jerzy Pietrzak ; [translation & proofreading by Marek Albin ... et al.]. -- Warszaw : Chancellery of the Senate, 2011. -- Přeloženo z polštiny. -- ISBN : 978-83-60995-94-5 váz. Albin, Marek Polsko * horní komora * dějiny