Columbia subject headings:
Constitutional amendments--United States.
Federal government--United States.
United States. Constitution. 10th Amendment.
Harvard subject headings:
Federal government--United States
Hours of labor--Law and legislation--United States
Local officials and employees--Salaries, etc.--United States.
State governments--Officials and employees--Salaries, etc.
United States. Constitution. 10th Amendment
Wages--Law and legislation--United States.
Princeton subject headings:
Federal government--United States.
Hours of labor--Law and legislation--United States.
Local officials and employees--Salaries, etc.--United States.
State governments--Officials and employees--Salaries, etc.
United States--Constitution--Amendments--10th.
Wages--Law and legislation--United States.