Columbia subject headings:
Government statisticians--United States--Directories.
United States--Officials and employees--Directories.
United States--Statistical services--Directories.
Harvard subject headings:
Government statisticians--United States--Directories.
United States--Officials and employees--Directories.
United States--Statistical services--Directories.
Princeton subject headings:
Statisticians--United States--Directories.
United States--Officials and employees--Directories.
United States--Statistical services--Directories.