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.
Ellis: Polynesian Researches.
Forbes: Oriental Memoirs.
Fletcher: Peabody Museum Report. Vol. iii.
Friedreich: Psychologie.
Garcilasso: The Royal Commentaries of the Incas.
Golnitz: Itinerarium Belgico-Gallicum.
Gregory: The Great Rift Valley.
Haeckel: The History of Creation.
Hammond: Impotence in the Male.
Haeckel: The Evolution of Man.
Herodotus: Euterpe, Clio, Etc.
Horace: Priap. Carm., Lxxxiv.
Johnston: The Kilima-Njaro Expedition.
Keller: The Amazon and Madeira Rivers.
Knight: The Worship of Priapus.
Krafft-Ebing: Psychopathia Sexualis.
Lanercroft: The Chronicles of.
Letourneau: Evolution of Marriage.
L’Estoile: Confession de Sancy.
Lydston: Diseases of Society.
Lumholtz: Among Cannibals.
Martene and Durand: Scrip. Ampliss. Collect.
Maspero: The Dawn of Civilization.
Martene et Durand: Coll. Antiq. Poenit.
Maspero: Egypt. Ant. Etud.
Maudsley: The Physiology of Mind.
Newbold: Appleton’s Pop. Sci. Month., Feb. 1897.
Parkman: The Jesuits in North America.
Peschel: The Races of Man.
Prescott: The Conquest of Peru.
Rabelais: Works.
Romanes: Mental Evolution in Animals.
Reclus: Primitive Folk.
Romanes: Mental Evolution in Man.
Sepp: Heidenthum u. Christenthum.
Sidis: Multiple Personality.
Sherwill: The Rajmahal Hills.
Spencer: Principles of Sociology.
Spitzka: Insanity.
Stanley: In Darkest Africa.
Stephens: Yucatan.