Columbia subject headings:
Europe--Economic conditions--19th century--Handbooks, manuals, etc.
Europe--Economic conditions--20th century--Handbooks, manuals, etc.
Europe--History--1789-1900--Handbooks, manuals, etc.
Europe--History--20th century--Handbooks, manuals, etc.
Europe--Politics and government--19th century--Handbooks, manuals, etc.
Europe--Politics and government--20th century--Handbooks, manuals, etc.
Europe--Statistics.
Harvard subject headings:
Europe--Appropriations and expenditures--Statistics.
Europe--Economic conditions--Statistics.
Europe--Politics and government--Statistics.
Europe--Population--Statistics.
Europe--Statistics.
Public welfare--Europe--Statistics.
Princeton subject headings:
Europe--Economic conditions--Handbooks, manuals, etc.
Europe--History--Handbooks, manuals, etc.
Europe--Statistics.