Columbia subject headings:
Debts, Public--OECD countries--Statistics--Periodicals.
Debts, Public--Statistics--Periodicals.
Harvard subject headings:
Debts, Public--Europe--Statistics--Periodicals.
Debts, Public--OECD countries--Statistics--Periodicals.
Princeton subject headings:
Debts, Public--OECD countries--Statistics--Periodicals.
Debts, Public--Statistics--Periodicals.
Periodicals.
Statistics.