Columbia subject headings:
Civil service positions--Classification--Standards--United States--Databases.
Civil service positions--United States--Classification--Databases.
Occupations--Classification--Standards--United States--Databases.
Personnel management--Standards--United States--Databases.
Harvard subject headings:
Civil service positions--Classification--Standards--United States--Periodicals.
Civil service positions--United States--Classification--Periodicals.
Occupations--Classification--Standards--United States--Periodicals.
Personnel management--Standards--United States--Periodicals.
Princeton subject headings: