Columbia subject headings:
Disaster relief--Handbooks, manuals, etc.
Humanitarian assistance--Handbooks, manuals, etc.
Non-governmental organizations--Handbooks, manuals, etc.
United States--Armed Forces--Civic action--Handbooks, manuals, etc.
Harvard subject headings:
Disaster relief.
Humanitarian assistance.
Non-governmental organizations.
United States--Armed Forces--Civic action.
Princeton subject headings: