The origin of the name has been much debated.

The origin of the name 22B has often been debated.

The origin is debated, however recent evidence has suggested that they could be among the lost Jewish tribes.

The origins of the black face are much debated and remain unclear.

The origin of Merkel cells has been debated for over 20 years.

The origin of the name "Jeep" has been debated for many years.

Both his origins and the date of his association with the city are debated.

The origin of these deposits has been debated for decades.

The origin and purpose of the work, which was discovered in late 2000, are still being debated.

The origins of the French dip sandwich have been debated for many years.