Columbia subject headings:
Art, Medieval--Themes, motives.
Decoration and ornament, Architectural--Spain--Salamanca.
Relief (Sculpture), Medieval--Spain--Salamanca.
Symbolism in art.
Universidad de Salamanca.
Harvard subject headings:
Neoplatonism.
Staircases--Spain--Salamanca.
Symbolism in art.
Universidad de Salamanca.
Vices in art.
Princeton subject headings: