AAddress by Hon. John W. Powell, LL.D.Address by Hon. John W. Powell, LL.D.de John Wesley Powell, Columbian UniversityMateriasLearning and scholarshipEdiciones (1)Address by Hon. John W. Powell, LL.D. (1884)[s.n.] · inglésMás obras de John Wesley PowellCCanyons of the ColoradoCanyons of the ColoradoDDown the ColoradoDown the ColoradoTThe exploration of the Colorado RiverThe exploration of the Colorado River
EExploration of the Colorado River of the west and its tributExploration of the Colorado River of the west and its tributaries
