Columbia subject headings:
Church architecture--Spain--San Lorenzo del Escorial.
Escorial.
San Lorenzo del Escorial--Buildings, structures, etc.
Harvard subject headings:
Church architecture--Spain--San Lorenzo del Escorial.
Escorial.
San Lorenzo del Escorial (Spain)--Buildings, structures, etc.
Princeton subject headings:
Escorial.
San Lorenzo del Escorial (Spain)--Buildings, structures, etc.