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