Columbia subject headings:
Harvard subject headings:
Charities--United States--Directories
Endowments--United States--Directories.
Human services--United States--Directories.
Nonprofit organizations--United States--Directories
Princeton subject headings:
Charities--United States--Directories.
Directories.
Endowments--United States--Directories.
Human services--United States--Directories.
Nonprofit organizations--United States--Directories.