Columbia subject headings:
Hospitals in art--Congresses.
Mural painting and decoration, Italian--Italy--Siena--15th century--Congresses.
Mural painting and decoration, Medieval--Italy--Siena--Congresses.
Spedale di Santa Maria della Scala (Siena, Italy). Pellegrinaio--Congresses.
Harvard subject headings:
Mural painting and decoration, Italian--Italy--Siena.
Mural painting and decoration, Renaissance--Italy--Siena.
Spedale di Santa Maria della Scala (Siena, Italy)
Princeton subject headings:
Hospitals in art--Congresses.
Mural painting and decoration, Italian--Italy--Siena--15th century--Congresses.
Mural painting and decoration, Medieval--Italy--Siena--Congresses.
Spedale di Santa Maria della Scala (Siena, Italy). Pellegrinaio--Congresses.