We are now used to seeing wheelchair ramps, handicapped parking spaces and telephone or ATM options for people with disabilities. But, 25 years ago, these everyday items were not common.
Here are some agencies and groups relating to the rights of people with disabilities:
In Texas:
Texas Department of Assistive and Rehabilitative Services
Disability Rights Texas
Texas Department of Aging and Disability Services
And here is a Federal resource page for disability rights and laws: Disability Resources from the U.S. Department of Labor