Columbia subject headings:
Double taxation--Kentucky.
Double taxation--Oregon.
Income tax--Law and legislation--Kentucky.
Income tax--Law and legislation--Oregon.
Wages--Taxation--Law and legislation--Kentucky.
Wages--Taxation--Law and legislation--Oregon.
Harvard subject headings:
Double taxation--Kentucky.
Double taxation--Oregon.
Income tax--Law and legislation--Kentucky.
Income tax--Law and legislation--Oregon.
Wages--Taxation--Law and legislation--Kentucky.
Wages--Taxation--Law and legislation--Oregon.
Princeton subject headings:
Double taxation--Kentucky.
Double taxation--Washington (State).
Income tax--Law and legislation--Kentucky.
Income tax--Law and legislation--Washington (State).
Wages--Taxation--Law and legislation--Kentucky.
Wages--Taxation--Law and legislation--Washington (State).