Columbia subject headings:
Black people--Europe--History.
Civilization, Medieval--African influences.
Civilization, Medieval--Islamic influences.
Europe--Civilization--African influences.
Muslims--Europe--History.
Harvard subject headings:
Black people--Europe--History.
Civilization, Medieval--African influences.
Civilization, Medieval--Islamic influences.
Europe--Civilization--African influences
Muslims--Europe--History.
Princeton subject headings:
Black people--Europe--History.
Europe--Civilization--African influences.