Columbia subject headings:
Burgos (Spain)--History--Sources.
Hospital del Rey de Burgos--History--Sources.
Hospitals, Medieval--Spain--Burgos--History--Sources.
Harvard subject headings:
Hospital del Rey de Burgos--Finance--History--Sources.
Hospital del Rey de Burgos.
Hospitals, Medieval--Spain--Burgos--Finance--History--Sources.
Real estate investment--Spain--Burgos--History--Sources.
Princeton subject headings: