U.S. Equal Employment Opportunity Commission (http://www.eeoc.gov/)
The U.S. EEOC enforces federal laws that make it illegal to discriminate against a job applicant or an employee because of the person's race, color, religion, sex (including pregnancy), national origin, age (40 or older), disability or genetic information.
Job Accomodation Network (http://askjan.org/index.html)
Resources include sample accomodations for a variety of needs. Publications and searchable database available.
United States Dept. of Labor (Home | U.S. Department of Labor)
Society for Human Resource Management (http://www.shrm.org/Pages/default.aspx)
The Society is the leading provider of resources to serve the needs of HR professionals and advance the professional practice of human resource management.