Columbia subject headings:
United States--Census--Handbooks, manuals, etc.
United States--Economic conditions--1981-2001--Statistical services--Handbooks, manuals, etc.
United States--Statistical services--Handbooks, manuals, etc.
Harvard subject headings:
United States--Census--Handbooks, manuals, etc.
United States--Commerce--Statistical services--Handbooks, manuals, etc.
United States--Economic conditions--1981-2001--Statistical services--Handbooks, manuals, etc.
United States--Statistical services--Handbooks, manuals, etc.
Princeton subject headings:
United States--Census--Handbooks, manuals, etc.
United States--Commerce--Statistical services--Handbooks, manuals, etc.
United States--Statistical services--Handbooks, manuals, etc.