Appletons' Popular Science Monthly, December 1898, Volume LIV, No. 2, December 1898Note 16 — THE RACIAL GEOGRAPHY OF EUROPE. A SOCIOLOGICAL STUDY.Reading editionCollignon, 1887 a, pp. 211 and 326; and Bertholon, 1892, p. 41.◇Copy noteReturn to THE RACIAL GEOGRAPHY OF EUROPE. A SOCIOLOGICAL STUDY.