In the past, Iberian bibliography attracted only limited interest in Poland. In his extensive (33 vols.) Bibliografia Polska (1872–1939), Karol Estreicher included a good number of the Iberian titles that existed in Poland through the end of the nineteenth century; some useful cross-references may also be found in Gabriel Korbut's Literatura Polska (1929–31). Representative collections of old Spanish prints (already indexed), along with contemporary Polish translations of Iberian and Latin American works, are located at the National Library in Warsaw, and at the university libraries in Cracow and Warsaw.