Legislation

• Compilation of the Social Security Laws
  Full online text of the Social Security Act.
  
• Legislative History of the Social Security Act
  This website provides the legislative history of the Social Security Act as well as legal rulings.
  
• Disability Insurance Benefits (42 U.S.C. §§ 401-433)
  Title II of the Social Security Act addresses eligibility for cash benefits for mental disabilities.
  
• Supplemental Security Income (42 U.S.C. §§ 1381-1383d)
  Title XVI of the Social Security Act addresses the Supplemental Security Income eligibility for, among others, the mentally disabled.
  

Federal Caselaw

• Forney v. Apfel, 524 U.S. 266 (1998):
  Supreme Court held, a Social Security disability claimant seeking court reversal of an agency decision denying benefits may appeal a districtcourt order remanding the case to the agency for further proceedings pursuant to sentence four of 42 U.S.C. § 405(g).

Publications

• The CDR Guide to Disability Rights (and Dealing with the System)
  The Council for Disability Rights provides, among other things, information on social security benefits for the disabled.
  
• The Definition of Disability for Children, SSA SSA Publication No. 05-10026, 2006 (pdf)
  
• A Guide to Social Security and SSI Benefits for People Living with HIV/AIDS, SSA Publication No. 05-10019 (pdf)
  
• Social Security's Disability Insurance Rulings
  Relevant in determining "substantial gainful activity" and "period of disability," among other factors in weighing a person's disability status.