1. Observations on the size of the brain in various races and families of man Author(s): Morton, Samuel George, 1799-1851 Publication: [Philadelphia? : s.n., 1849?] Subject(s): CephalometryContinental Population Groups
2. Elements of phrenology Author(s): Combe, George, 1788-1858 Publication: Boston : Marsh, Capen & Lyon, 1834 Subject(s): PhrenologyCephalometry