Note 5 — Chapter I · Introduction
Reading edition
See F. Ratzel: “History of Mankind” (trans. by A. J. Butler), I, 125, 281, 282; II, 131; III, 507.
Reading edition
See F. Ratzel: “History of Mankind” (trans. by A. J. Butler), I, 125, 281, 282; II, 131; III, 507.