"Poland, Social conditions, 1980-, Addresses, essays, lectures." . . "1939-1945" . . "Poland, Social conditions, 1945-, Addresses, essays, lectures." . . "Since 1945" . . "Soziale Situation." . . "Politik." . . "vie politique Pologne 20e s. (2e moitié)" . . "Politisches System Polen." . . "1901-2000" . . "Politische Krise." . . "Geschichte 1980-." . . "Geschichte (1980-)." . . "Geschichte (1980- )" . "Sozioökonomischer Wandel." . . "Pologne" . . "Poland" . . "Poland." . "Social conditions." . . "1945-1989" . . "Polonia - Condizioni economiche e sociali - 1945-1990 - Saggi." . . "Polska" . . "Aufsatzsammlung." . . "The Polish dilemma views from within"@en . . . . . . . . . . . . "Polish dilemma : views from within" . . . . . . . . . . . . . "The polish dilemma : views from within" . . "The Polish dilemma : Views from within" . . . . . . . . . . . . . "The Polish dilemma : views from within" . . "Aufsatzsammlung" . . . . . . . . . . "vie sociale Pologne 20e s. (2e moitié)" . . "Wirtschaft Polen." . . "Geschichte 1944-1980." . . "Geschichte (1944-1980)." . . "Geschichte (1944-1980)" . "Polen." . . "Gesellschaft Polen." . . "Sozialer Wandel Polen." . . . .