Columbia subject headings:
Sorolla, Joaquín, 1863-1923--Exhibitions.
Zuloaga, Ignacio, 1870-1945--Exhibitions.
Harvard subject headings:
Sorolla, Joaquín, 1863-1923--Exhibitions.
Zuloaga, Ignacio, 1870-1945--Exhibitions.
Princeton subject headings:
Sorolla, Joaquín, 1863-1923--Exhibitions.
Zuloaga, Ignacio, 1870-1945--Exhibitions.