Columbia subject headings:
Social security--United States--Handbooks, manuals, etc.
Supplemental security income program--United States--Handbooks, manuals, etc.
United States. Social Security Administration--Handbooks, manuals, etc.
Harvard subject headings:
Social security--United States--Handbooks, manuals, etc.
Supplemental security income program--United States--Handbooks, manuals, etc.
United States. Social Security Administration--Handbooks, manuals, etc.
Princeton subject headings: