-- See Labor Here are entered works on the collective human activities involved in the production and distribution of goods and services. Works on the physical or mental exertion of individuals to produce or accomplish something are entered under Work.
-- See Labor movement Here are entered works on the complex of organizations and individuals advocating improved conditions for the working population. Works limited to the efforts of organized labor are entered under Trade-unions.
-- See Working class Here are entered works on the social class composed of persons who work for wages, generally excluding managers, professionals, and those not at the lower end of the educational and economic scale.