Search for: [Subject and Keywords = history \- study and teaching \- Poland \- 1945 \-] OR [Subject and Keywords = Poland \- 1944\-1989 \(Polish People's Republic\)] OR [Subject and Keywords = methodology of history 20th c.] OR [Subject and Keywords = Historia \-\- studia i nauczanie \-\- Polska \-\- 1945\- \[KABA\]] OR [Subject and Keywords = Polska \-\- 1944\-1989 \(Polska Ludowa\) \[KABA\]] OR [Subject and Keywords = metodologia historii 20 w.] OR [Title = Nauka historii w pierwszym dziesięcioleciu Polski Ludowej] OR [Title = Nauka historii w pierwszym dziesięcioleciu Polski Ludowej] OR [Creator = Leśnodorski, Bogusław \(1914–1985\)] OR [Creator = Leśnodorski, Bogusław \(1914–1985\)]