Columbia subject headings:
Harvard subject headings:
Armored vehicles, Military--Periodicals.
Mechanization, Military--Periodicals.
United States--History, Military--Periodicals.
United States. Army--Armored troops--Drill and tactics--Periodicals.
United States. Army--Armored troops--Periodicals.
United States. Army. Cavalry--Periodicals.
Princeton subject headings:
Mechanization, Military--Periodicals.
United States. Army. Cavalry--Periodicals.