Columbia subject headings:
Harvard subject headings:
Gómez, de Salamanca, active 1425.
Medicine, Medieval--Spain--Castilla y León.
Medicine--Spain--Early works to 1800.
Plague--Spain--Castilla y León--History.
Plague--Treatment--Spain--Early works to 1800.
Princeton subject headings:
Medicine, Medieval--Spain--History.
Medicine--Spain--History.