Columbia subject headings:
Civilization, Medieval.
Europe--Civilization--Arab influences.
Islamic civilization.
Harvard subject headings:
Civilization, Medieval
Civilization, Medieval--Congresses
Europe--Civilization--Arab influences--Congresses.
Europe--Civilization--Arab influences.
Islamic civilization
Islamic civilization--Congresses
Princeton subject headings:
Civilization, Medieval.
Europe--Civilization--Arab influences.
Islamic civilization.