Columbia subject headings:
Internal revenue--Statistics--Periodicals.
Revenue--OECD countries--Statistics--Periodicals.
Social security taxes--Statistics--Periodicals.
Statistics (Organisation for Economic Co-operation and Development)--Periodicals.
Taxation--OECD countries--Statistics--Periodicals.
Taxation--Statistics--Periodicals.
Harvard subject headings:
Revenue--OECD countries--Statistics--Periodicals.
Taxation--OECD countries--Statistics--Periodicals.
Princeton subject headings:
Periodicals.
Revenue--Organisation for Economic Co-operation and Development countries--Periodicals.
Taxation--Organisation for Economic Co-operation and Development countries--Periodicals.