Columbia subject headings:
Abu Bakr II, Emperor of Mali, approximately 1275-approximately 1312--Travel--America.
Abu Bakr II, Emperor of Mali, approximately 1275-approximately 1312--Travel--Atlantic Ocean.
America--Discovery and exploration--Malian.
Atlantic Ocean--Discovery and exploration--Malian.
Explorers, Black--Mali (Empire)--Biography.
Mali (Empire)--Kings and rulers--Biography.
Harvard subject headings:
Abu Bakr II, Emperor of Mali, approximately 1275-approximately 1312.
Explorers, Black--Mali (Empire)--Biography.
Mali (Empire)--Kings and rulers--Biography.
Mandingo (African people)--History.
Princeton subject headings:
Abu Bakr II, Emperor of Mali, approximately 1275-approximately 1312--Travel--America.
Abu Bakr II, Emperor of Mali, approximately 1275-approximately 1312--Travel--Atlantic Ocean.
America--Discovery and exploration--Malian.
Explorers, Black--Mali (Empire)--Biography.
Mali (Empire)--Kings and rulers--Biography.
Mandingo (African people)--History.