Darwin: Works.
Dall: Alaska and its Resources.
De Remusat: Lettrés Edifiantes.
De Remusat: Nouv. Mel. Asiatiques.
Draper: The Conflict between Religion and Science.
De Quatrefages: The Human Species.
De Quatrefages: Hommes Fossiles.
Dorsey: Siouan Cults; An. Rep. Bur. Eth., 1889-90.
Du Chaillu: Equatorial Africa.
Eden: The Fifth Continent.