Columbia subject headings:
Archives--Iceland--Reykjavík--Directories.
Libraries--Iceland--Reykjavík--Directories.
Harvard subject headings:
Archives--Iceland--Handbooks, manuals, etc.
Archives--Iceland--Reykjavík--Directories.
Libraries--Iceland--Reykjavík--Directories.
Research libraries--Iceland--Handbooks, manuals, etc.
Special libraries--Iceland--Handbooks, manuals, etc.
Princeton subject headings:
Archives--Iceland--Reykjavík--Directories.
Libraries--Iceland--Reykjavík--Directories.