Columbia subject headings:
Archives--Europe--Periodicals.
Europe--History--Sources--Periodicals.
Library science--Periodicals.
Harvard subject headings:
Archives--Europe--Periodicals.
Europe--History--Sources--Periodicals.
Library science--Periodicals
Princeton subject headings:
Archives--Europe--Periodicals.
Europe--History--Sources--Periodicals.
Library science--Periodicals.
Periodicals.