Columbia subject headings:
U.S. Border Patrol--Management.
United States--Emigration and immigration.
United States. Immigration Affairs Agency.
United States. Immigration and Naturalization Service--Reorganization.
Harvard subject headings:
Emigration and immigration law--United States.
U.S. Border Patrol--Management.
United States--Emigration and immigration.
United States. Immigration Affairs Agency.
United States. Immigration and Naturalization Service--Reorganization.
Princeton subject headings:
U.S. Border Patrol--Management.
United States--Emigration and immigration.
United States. Immigration Affairs Agency
United States. Immigration and Naturalization Service--Reorganization.