The Central questions of philosophy 2026-02-15T10:48:33+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Ayer, A. J. (Alfred Jules), 1910- (Weidenfeld and Nicolson, 1973)