Columbia subject headings:
Income tax--Law and legislation--United States.
Interstate agreements--Kansas.
Interstate agreements--Missouri.
Kansas--Cultural policy.
Missouri--Cultural policy.
Shipping--Employees--Legal status, laws, etc.--United States.
Shipping--Employees--Taxation--United States.
Transport workers--Legal status, laws, etc.--United States.
Transport workers--Taxation--United States.
Harvard subject headings:
Income tax--Law and legislation--United States.
Interstate agreements--Kansas.
Interstate agreements--Missouri.
Kansas--Cultural policy.
Missouri--Cultural policy.
Shipping--Employees--Legal status, laws, etc.--United States.
Shipping--Employees--Taxation--United States.
Transport workers--Legal status, laws, etc.--United States.
Transport workers--Taxation--United States.
Princeton subject headings:
Income tax--Law and legislation--United States.
Interstate agreements--Kansas.
Interstate agreements--Missouri.
Kansas--Cultural policy.
Missouri--Cultural policy.
Shipping--Employees--Legal status, laws, etc.--United States.
Shipping--Employees--Taxation--United States.
Transport workers--Legal status, laws, etc.--United States.
Transport workers--Taxation--United States.