Columbia subject headings:
Social sciences--Information services--Directories.
Harvard subject headings:
Social sciences--Databases--Directories.
Princeton subject headings:
Anthropology--Databases--Directories.
Demography--Databases--Directories.
People with disabilities--Databases--Directories.
Psychology--Databases--Directories.
Public opinion polls--Databases--Directories.
Social groups--Databases--Directories.
Social policy--Databases--Directories.
Social sciences--Databases--Directories.
Sociology--Databases--Directories.