Columbia subject headings:
Harvard subject headings:
Environmental health--Administration--Handbooks, manuals, etc.
Environmental health--America--Administration--Handbooks, manuals, etc.
Natural disasters--Health aspects--America--Handbooks, manuals, etc.
Natural disasters--Health aspects--Handbooks, manuals, etc.
Sanitary engineering--America--Handbooks, manuals, etc.
Sanitary engineering--Handbooks, manuals, etc.
Princeton subject headings:
Environmental health--Administration--Handbooks, manuals, etc.
Environmental health--America--Administration--Handbooks, manuals, etc.
Natural disasters--Hygienic aspects--America--Handbooks, manuals, etc.
Natural disasters--Hygienic aspects--Handbooks, manuals, etc.
Sanitary engineering--America--Handbooks, manuals, etc.
Sanitary engineering--Handbooks, manuals, etc.