Note 50 — Chapter VI · A Brief History of Opinions on Isolation as a Factor of Organic Evolution.
Reading edition
In Appendix to H. M. Stanley's How I found Livingstone, 2nd ed. London, 1872, p. 715.
Reading edition
In Appendix to H. M. Stanley's How I found Livingstone, 2nd ed. London, 1872, p. 715.