Indeksy

• Polish Institute of Arts and Sciences in Canada ; 1
• Polish Institute of Arts and Sciences, 1
• Polish Institute of World Art Studies ; 1
• Polish Labor Group, 2
• Polish Library : 1
• Polish Library [etc.], 1
• Polish Library, 3
• Polish Ministry of Industry, Commerce and Shipping, Aeronautical Departament 1
• Polish Ministry of Information, 1
• Polish Ministry of Preparatory Work Concerning the Peace Conference, 1
• Polish Press Agency, 1
• Polish Publications Committee, 3
• Polish Publishing, 4
• Polish R. C. Union of America, 1
• Polish R.C. Union of America, 1
• Polish Research Centre, 5
• Polish Roman Catholic Federation of United States of America, 1
• Polish Roman Catholic Union of America, 1
• Polish Scientific Publ., 1
• Polish Scientific Publishers, 19