Columbia subject headings:
Harvard subject headings:
Democracy--Handbooks, manuals, etc.
Economic development--Handbooks, manuals, etc.
Economic policy--Handbooks, manuals, etc.
Peace--Handbooks, manuals, etc.
Policy sciences--Handbooks, manuals, etc.
Political planning--Handbooks, manuals, etc.
Social policy--Handbooks, manuals, etc.
Princeton subject headings:
Democracy--Handbooks, manuals, etc.
Economic development--Handbooks, manuals, etc.
Economic policy--Handbooks, manuals, etc.
Peace--Handbooks, manuals, etc.
Policy sciences--Handbooks, manuals, etc.
Political planning--Handbooks, manuals, etc.
Social policy--Handbooks, manuals, etc.