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Все книги J W Spencer
J W Spencer: Полный список книг
J W Spencer: список всех книг (5)
Outline of the evolution of the Falls of Niagara, contrast with the Falls of Zambesi
Spencer J. W.
The Falls of Niagara
J W Spencer
Discovery of the preglacial outlet of the basin of Lake Erie into that of Lake Ontario ; with Notes on the origin of our lower Great Lakes
J W. 1851-1921 Spencer
The falls of Niagara: their evolution and varying relations to the Great Lakes; characteristics of the power, and the effects of its diversion
J W. 1851-1921 Spencer
The duration of Niagara Falls: and the history of the Great Lakes
J W. 1851-1921 Spencer