Columbia subject headings:
Artists' preparatory studies--Exhibitions.
Horsemanship in art--Exhibitions.
Horses in art--Exhibitions.
Lerma, Francisco Sandoval y Rojas, duque de, 1552-1625--Portraits--Exhibitions.
Rubens, Peter Paul, 1577-1640. Portrait of the Duke of Lerma on Horseback.
Harvard subject headings:
Lerma, Francisco Sandoval y Rojas, duque de, 1552-1625--Portraits--Exhibitions.
Rubens, Peter Paul, 1577-1640--Exhibitions.
Princeton subject headings:
Artists' preparatory studies--Exhibitions.
Horsemanship in art--Exhibitions.
Horses in art--Exhibitions.
Lerma, Francisco Sandoval y Rojas, duque de, 1552-1625--Portraits--Exhibitions.
Rubens, Peter Paul, Sir, 1577-1640. Portrait of the Duke of Lerma on Horseback.