Columbia subject headings:
Economics--Religious aspects--Christianity--History--Middle Ages, 600-1500.
Free enterprise--History.
Scholasticism.
Harvard subject headings:
Capitalism--Religious aspects--Christianity--History.
Catholic Church--Doctrines--History.
Economic history--Medieval, 500-1500
Economics--History--To 1800
Economics--Religious aspects--Catholic Church--History.
Economics--Religious aspects--Christianity--History.
Scholasticism--History.
Scholasticism--Spain--History.
Princeton subject headings:
Catholic Church--Doctrines--History.
Economics--History--To 1800.
Economics--Spain--Religious aspects--Catholic Church--History.
Scholasticism--Spain--History.