Columbia subject headings:
League of Nations--Bibliography--Periodicals.
Permanent Court of International Justice--Bibliography--Periodicals.
Harvard subject headings:
League of Nations--Bibliography--Periodicals.
Permanent Court of International Justice--Bibliography--Periodicals.
Princeton subject headings:
International Institute of Intellectual Co-operation--Bibliography--Periodicals.
League of Nations--Bibliography--Periodicals.
Periodicals.
Permanent Court of International Justice--Bibliography--Periodicals.