Columbia subject headings:
Vega, Lope de, 1562-1635. Acero de Madrid.
Harvard subject headings:
Vega, Lope de, 1562-1635--Criticism and interpretation.
Vega, Lope de, 1562-1635. Acero de Madrid
Princeton subject headings:
Vega, Lope de, 1562-1635. Acero de Madrid.