Social Security Bulletin- Historical Bulletins dating back as far as 1938 can be found at the following locations: (Hat tip to Concepcion McNeace who assembled this list)

		ABI/INFORM Global 1987 to present
		Academic OneFile 1983 to present
		Academic Search Complete 1990 to present
		Academic Search Premier 1990 to present
		Business & Company Resource Center 1983 to present
		Business Source Complete 1990 to present
		Business Source Premier 1990 to present
		EconLit with Full Text 1990 to present
		Expanded Academic ASAP 1992 to present
		General OneFile 1983 to present
		HeinOnLine 1938 - 2007
		LegalTrac 1983 to present
		MasterFILE Premier 1990 to present
		MEDLINE with Full Text (EBSCO Publishing) 1990 to present
		Periodicals Archive Online Collection 1 1938 - 1995
		ProQuest Discovery 1987 to present
		ProQuest Health & Medical Complete 1987 to present
		ProQuest Research Library Complete 1987 to present
		ProQuest Social Science Journals 1987 to present
		Research Library Core 1987 to present
		Student Resource Center College (w/ Expanded Academic ASAP) 1992 to present

If you are looking for data and reference materials related to SSA's disability programs, you might try here or contact me by email at: Research@DisabilityEconomics.com.