Kwaśniewski, Jerzy, ed. “Key Voting Results in the Sejm and Senate of the Republic of Poland in the 1990s”. In Protection of Human Life at the Prenatal Stage of Development: Social, Medical and Legal Aspects. Ordo Iuris Library. Warszawa: Ordo Iuris Institute for Legal Culture - Scientific Press, 2026. Accessed August 10, 2026. https://wydawnictwo.ordoiuris.pl/index.php/books/catalog/book/92/chapter/298.