Columbia subject headings:
Fortification--Venezuela--History--Sources.
Spain. Ejército--Colonial forces--Venezuela--History--Sources.
Venezuela--History, Military--Sources.
Venezuela--History--To 1810--Sources.
Harvard subject headings:
Fortification--Venezuela--History--Sources.
Spain. Ejército--Colonial forces--Venezuela--History--Sources.
Venezuela--History, Military--Sources.
Venezuela--History--To 1810--Sources.
Princeton subject headings: