[KLOCEK - 3 titles] Notes on my captivity in St. Petersburg in the years 1794, 1795 to 1796 - J.U. Niemcewicz, Paris 1843 / 2. Memoirs of Julian Ursyn Niemcewicz 1804 - 1807, Lvov 1873 / 3. Copernicus in Italy or Italian documents to the monograph K