Columbia subject headings:
Caribbean Area--Library resources.
Latin America--Library resources.
Library resources--Great Britain--Directories.
Library resources--Ireland--Directories.
Harvard subject headings:
Caribbean Area--Library resources--Directories.
Latin America--Library resources--Directories.
Library resources--Great Britain--Directories.
Library resources--Ireland--Directories.
Princeton subject headings:
Directories.
Latin America--Library resources--Directories.
Library resources--Europe--Directories.