The outlines of sociology 2026-02-15T16:16:42+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Gumplowicz, Ludwig, 1838-1909 (American Academy of Political and Social Science, Philadelphia., 1975)