Columbia subject headings:
Harvard subject headings:
Materia medica--Spain--Valladolid--History--17th century.
Materia medica--Spain--Valladolid--History--18th century.
Pharmacists--Spain--Valladolid--History--17th century.
Pharmacists--Spain--Valladolid--History--18th century.
Pharmacy--Spain--Valladolid--History--17th century.
Pharmacy--Spain--Valladolid--History--18th century.
Princeton subject headings:
Drugs--Spain--Valladolid--History.
Pharmacopoeias--Spain--Valladolid--History.
Pharmacy--Spain--Valladolid--History.