- André-Vincent, Philippe I. (1)
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- Eisenstadt, S. N. (Shmuel Noah), 1923- (1)
- Institut für Marxistische Studien und Forschungen (Frankfurt am Main, Germany) (1)
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- Lardreau, Guy, 1947- (1)
- Larsson, Reidar (1)
- Lefort, Claude, 1924- (1)
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- Moore, Barrington, 1913- (1)
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- Perlo, Victor (1)
- Russell, Diana E. H. (1)
- Schmitz, Heinz R. (1)
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- Sorokin, Pitirim Aleksandrovich, 1889-1968 (1)
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