Columbia subject headings:
People with disabilities--Employment--United States--Handbooks, manuals, etc.
United States. Committee for Purchase from People Who Are Blind or Severely Disabled--Handbooks, manuals, etc.
Harvard subject headings:
People with disabilities--Employment--United States--Handbooks, manuals, etc.
United States. Committee for Purchase from People Who Are Blind or Severely Disabled--Handbooks, manuals, etc.
Princeton subject headings: