Donetz

Donetz, a tributary of the Russian Don, the basin of which forms one large coal-field, reckoned to be as large as all Yorkshire, and is reckoned one of the largest of any in the world.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Donegal * Dongola, New
Don Quixote
Donaldson, John William
Donatello
Donati
Donatists
Donatus
Donau
Doncaster
Dondra Head
Donegal
Donetz
Dongola, New
Donizetti
Donne, John
Donnybrook
Donon
Doo, George Thomas
Doon
Dora
Dora d'Istria
Doran, John