The riddle of the universe 2026-02-15T19:18:07+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Haeckel, Ernst Heinrich Philipp August, 1834-1919 (Great minds series, 1992)