Columbia subject headings:
Law--United States.
Public welfare--Law and legislation--United States.
Social workers--Legal status, laws, etc.--United States.
Social workers--United States--Handbooks, manuals, etc.
Harvard subject headings:
Law--United States
Public welfare--Law and legislation--United States
Social workers--Legal status, laws, etc.--United States.
Social workers--United States--Handbooks, manuals, etc.
Princeton subject headings: