The forum of philosophy: an introduction to problem and process 2026-02-15T22:43:15+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Stein, George Philip, 1917- (McGraw-Hill, 1973)