Columbia subject headings:
Civilization, Medieval--Periodicals.
Middle Ages--Periodicals.
Renaissance--Periodicals.
Harvard subject headings:
Civilization, Medieval--Periodicals
Civilization, Medieval.
Middle Ages--Periodicals
Middle Ages.
Renaissance--Periodicals
Princeton subject headings:
Civilization, Medieval--Periodicals.
Middle Ages--Periodicals.
Periodicals.
Renaissance--Periodicals.