Columbia subject headings:
Census districts--United States--Handbooks, manuals, etc.
Geographical location codes--Handbooks, manuals, etc.
United States--Census, 1992--Handbooks, manuals, etc.
United States--Economic conditions--1981-2001--Statistical services--Handbooks, manuals, etc.
United States--Statistical services--Handbooks, manuals, etc.
Harvard subject headings:
Princeton subject headings:
Census districts--United States--Handbooks, manuals, etc.
Geographical location codes--Handbooks, manuals, etc.
United States--Census--Handbooks, manuals, etc.
United States--Economic conditions--1981---Statistical services--Handbooks, manuals, etc.
United States--Statistical services--Handbooks, manuals, etc.