U.S. Department of Labor: State Labor Laws
State laws, searchable by category, including DOL's Annual State Labor Legislation Report, and state labor offices and associations.
Westlaw: 50-State Surveys - Employment
Surveys of state laws on drug testing, employee protections, employee leave and disability, hiring practices, labor and arbitration, private employment, public employees and officials, and workers' compensation. (Subscription required.)
Lexis Advance: 50-State Surveys - Labor & Employment Law
Surveys of state laws on collective bargaining and labor relations, disability and unemployment insurance, discrimination, employee privacy, employment relationships, leaves of absence, occupational safety and health, and wage and hour laws, (Subscription required.)