The social problems of an industrial civilization : with an appendix on the political problem 2026-02-15T22:41:25+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from session cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Mayo, Elton, 1880-1949 (Work, its rewards and discontents, 1977)