Columbia subject headings:
Harvard subject headings:
Archives--Spain
Spain--Colonies--America--Sources--Bibliography.
Spain--Colonies--North America--History--Sources--Bibliography.
Spain--Foreign relations--Sources--Bibliography.
United States--History--Revolution, 1775-1783--Sources--Bibliography.
Princeton subject headings:
Archives--Spain.
Spain--Colonies--North America--History--Sources--Bibliography.
Spain--Foreign relations--Sources--Bibliography.
United States--History--Revolution, 1775-1783--Sources--Bibliography.