Columbia subject headings:
Double taxation--Developing countries--Congresses.
Double taxation--Treaties--Congresses.
Tax administration and procedure--International cooperation--Congresses.
Tax evasion--Congresses.
Taxation--Developing countries.
Taxation--International cooperation--Congresses.
Harvard subject headings:
Double taxation--Congresses.
Noncitizens--Taxation--Congresses.
Taxation--International cooperation--Congresses.
Taxation--Law and legislation--Congresses
Princeton subject headings: