Moralens utveckling Fri bearbetning efter Ch. Letourneau: "L'évolution de la morale"

Frazer, James George, 1854-1941

Maine, Henry Sumner, Sir, 1822-1888

Tylor, Edward B. (Edward Burnett), 1832-1917

Spencer, Herbert, 1820-1903

Allen, Emory Adams, 1854-1933

Morgan, Lewis Henry, 1818-1881

Osborn, Henry Fairfield, 1857-1935

D'Anvers, N., 1844-1933 [Translator]; Nadaillac, Jean-François-Albert du Pouget, marquis de, 1818-1904

Martignetti, Pasquale [Translator]; Engels, Friedrich, 1820-1895

Clapperton, Jane Hume, 1832-1914

Haynes, Henry W. (Henry Williamson), 1831-1912 [Contributor]; Wright, G. Frederick (George Frederick), 1838-1921