Irena Kossowska: Józef ChełmońskiCulture Presidency 2011. Adam Mickiewicz Institute (AMI) – a government cultural institution. Viitattu 14.4.2012. (englanniksi)
Jerzy S. Majewski: Polish Architecture in the NinetiesCulture Presidency 2011. Adam Mickiewicz Institute (AMI) – a government cultural institution. Viitattu 14.4.2012. (englanniksi)
Bronze & Dawn of Iron AgePrehistory of Wielkopolska (Greater Poland). 2009. Poznań Archaeological Museum. Viitattu 15.4.2012. (englanniksi)
Mature Iron AgePrehistory of Wielkopolska (Greater Poland). 2009. Poznań Archaeological Museum. Viitattu 15.4.2012. (englanniksi)
muzeum.krakow.pl
20th-Century Polish Art 2006–2009. National Museum in Krakow. Viitattu 14.4.2012. (englanniksi)
nih.gov
ncbi.nlm.nih.gov
Kordan B: Making borders stick: population transfer and resettlement in the Trans-Curzon territories, 1944–1949.. Int Migr Rev., 1997, 31. vsk, nro 3, s. 704–720. Abstrakti (pubmed). Viitattu 14.4.2012.
Backus O.P: Problem of Unitey in Polish-Lithuanian State. Slavic Review, 1963, 22. vsk, nro 3, s. 411–431. Artikkelin verkkoversio (PDF). Viitattu 8.4.2012.
uefa.com
Koźmiński, Piotr: Football in Poland UEFA. Viitattu 14.4.2012. (englanniksi)