Columbia subject headings:
Archives--Europe--Directories.
Archives--European Union countries--Directories.
Europe--Foreign relations--1945---Archival resources--Directories.
European Union--Archival resources--Directories.
European cooperation--Archival resources--Directories.
Harvard subject headings:
Archives--Europe--Directories.
Archives--European Union countries--Directories.
Europe--Foreign relations--1945---Archival resources--Directories.
European cooperation--Archival resources--Directories.
Princeton subject headings:
Archives--Europe--Directories.
Archives--European Union countries--Directories.
Europe--Foreign relations--1945---Archival resources--Directories.
European cooperation--Archival resources--Directories.