California

DLSE - The Division of Labor Standards Enforcement handles wage claims, investigate discrimination and public works complaints, and enforce Labor Code statutes and Industrial Welfare Commission orders.
http://www.dir.ca.gov/DLSE/dlse.html

DIR - California Department of Industrial Relations, Commission on Health and Safety and Workers' Compensation provides information to workers injured on the job site.
http://www.dir.ca.gov/chswc/EduMaterials.html

DFEH - Department of Fair Employment and Housing handles unlawful discrimination in employment, housing and public accommodations, and from the perpetration of acts of hate violence.
http://www.dfeh.ca.gov/

Labor Market - Information on the fastest growing jobs, jobs with the most openings, median salaries, and educational requirements.
http://www.labormarketinfo.edd.ca.gov/

EDD - Employment Development Department provides job placement and referrals, unemployment insurance, disability insurance, employment and training, labor market information, payroll taxes, and more!
http://www.edd.ca.gov/

WorkSmart - Job Assistance with topics that include: Topics: getting job ready, job titles, how to find a job, tips for success, and a WorkSmart! Fact Sheet.
http://www.worksmart.ca.gov/
http://www.worksmart.ca.gov/tips_application_fact_sheet.html

Federal

U. S. Department of Labor
http://www.youth2work.gov

OPM and the Department of Education Student Government Jobs Search
http://www.studentjobs.gov/