Columbia subject headings:
Wales--Antiquities--Periodicals.
Wales--History--Periodicals.
Welsh literature--Periodicals.
Harvard subject headings:
Honourable Society of Cymmrodorion (London, England)--Periodicals.
Wales--Antiquities--Periodicals.
Wales--History--Periodicals.
Welsh literature--Periodicals.
Princeton subject headings:
Wales--Antiquities--Periodicals.
Wales--History--Periodicals.
Welsh literature--Periodicals.