Columbia subject headings:
Cataloging of early printed books--Data processing--Periodicals.
ESTC (Project)--Periodicals.
Harvard subject headings:
Cataloging of early printed books--Data processing--Periodicals.
ESTC (Project)--Periodicals.
Princeton subject headings:
ESTC (Project)--Periodicals.
Early printed books--18th century--Periodicals.
Printing--Great Britain--History--Periodicals.