Equal Employment Opportunity Commission
A good source for the learning the basics on employment discrimination is the Equal Employment Opportunity Commission (EEOC). The site provides explanations of what constitutes many different kinds of discrimination (age, race/color, religious, etc.), along with full text of laws that are enforced by the EEOC.
Occupational Safety and Health Administration
The mission of the Occupational Safety and Health Administration (OSHA) is to save lives, prevent injuries and protect the health of America's workers. To accomplish this, federal and state governments must work in partnership with the more than 100 million working men and women and their six and a half million employers who are covered by the Occupational Safety and Health Act of 1970.
Bureau of Labor Statistics
The Bureau of Labor Statistics is the principal fact-finding agency for the Federal Government in the broad field of labor economics and statistics. With the strongest commitment to integrity and objectivity, the BLS will be premier among statistical agencies, producing impartial, timely, and accurate data relevant to the needs of our users and to the social and economic conditions of our Nation, its workers, its workplaces, and the workers' families.
U.S. Department of Labor
An excellent resource full of information on Laws and regulations, DOL programs/services, Disability resources, Grants, Layoffs, Stats, Pension/Health/Safety regulations, and a great list of links for employers seeking job applicants
The Census Bureau Home Page
If you have questions about population and housing, the economy, or geographic resources, you should turn to this site. For example, with the County and City Data Book you can find out which cities house the largest population of specific minority groups or which cities have the highest percent of adults with a bachelor's degree. You can then browse Current Industrial Reports for information on specific industries, summarized by year. Or take a look at Statistics of U.S. Businesses for information such as the number of firms by industry division or charts on the average payroll per employee by enterprise industry.
The Office of Personnel Management
The Office of Personnel Management bills itself as "the Federal Government's Human Resources Agency" and offers some great links to topics affecting employee selection like "Recruiting and Retaining Financial Management Employees". This extensive site also offers host of information about how the federal government selects top applicants and deals with a myriad of other HR issues.
Job Accommodation Network (JAN)
A source of information on reasonable job accommodation for disabled applicants is the Job Accommodation Network (JAN). As a service to the President's Committee on Employment of People with Disabilities, JAN provides facts about job accommodation techniques to employers, rehab professionals and people with disabilities themselves. The best part: the services are free.
Interviewing Techniques For Federal Government Jobs
Tips for conducting and participating in employment interviewing for federal government jobs.