Sociology : the basic concepts 2026-02-16T10:39:24+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Sagarin, Edward, 1913 (Holt, Rinehart and Winston, 1978)