"Europe, Eastern" . . "Europe, Eastern." . "Soviet Union" . . "Política." . . "European Federation." . . "Europe de l'Est" . . "Europa orientale - Politica." . . . "Challenge in Eastern Europe; 12 essays 12 essays" . "Challenge in Eastern Europe: 12 essays, edited by C. E. Black" . "Challenge in eastern Europe : twelve essays...prepared under the auspices of the Mid-European Studies Center of the National Committee for a Free Europe" . . . . . . . . . . "Challenge in Eastern Europe : 12 Essays prepared under the Auspices of the Mid-European Studies Center of the National Committee for a Free Europe" . . . . . . . . . . . . . . . "Challenge in Eastern Europe : 12 Essays. Foreword by C. Grew" . . "History" . . . . . . . . "Europa conquistada : [tras el telón de acero]" . . . . "Europa conquistada" . "Europa conquistada"@es . . . . . . . . . . . . . . "Challenge in eastern europe 12 essays" . "Challenge in Eastern Europe" . . "Challenge in Eastern Europe"@en . "Challenge in Eastern Europe; 12 essays"@en . "Challenge in Eastern Europe; 12 essays" . . . . . . . . . . . . . . . . . . . . "Challenge in Eastern Europe : 12 essays" . . . . . . . . . . "Challenge in Eastern Europe 12 essays"@en . . . "Challenge in Eastern Europe 12 essays" . . . . . . "Challenge in Eastern Europe. 12 essays edited by C.E. Black, etc"@en . . . . . . . . "Challenge in Eastern Europe, 12 essays edited by C. E. Black, prepared under the auspices of the Mid-European studies center of the national committee for a free Europe. Foreword by Joseph C. Grew" . . "Europe" . . "Europa orientale - Condizioni economiche e sociali." . . "Balkan Peninsula" . . "Bezpieczeństwo narodowe Europa Wschodnia 20 w." . . "Politiek." . . "Europe orientale" . . "Comunisme." . . "Oost- en Centraal-Europa." . . "Social conditions." . . "National Committee for a Free Europe (U.S.). Mid-European Studies Center." . . "Europa de l'Est" . . "Europa de l'Est." . "Europe centrale et orientale. Politique générale." . . "Kraje socjalistyczne gospodarka polityka." . . "Europa Wschodnia" . . "Història social" . . "Europa Oriental" . . "Europa oriental" . "Politica Europa Oriental Seculo Xx." . . "Comunismo." . . "Europa" . . "Politica Internacional." . . "Govern." . . "Politics and government." . . . . "changement économique changement politique Europe orientale études diverses." . .