http://www.nclrights.org/legal-help-resources/resource/navigating-the-system-a-know-your-rights-guide-for-lesbian-gay-bisexual-and-transgender-elders-in-california/

This pioneering new guide includes comprehensive information about your rights and the services that are available to you as you navigate the system of public and social benefits. Though it is California-based, the information is a good reference guide for all 50 states.