Greeks; their attitude to other nations, 7; to an enemy, _ib._; their Sacred Wars, 16; the Amphictyonic League, 16. Grotius, Hugo; his _De Jure Belli et Pacis_, 24-27; and the _Jus Gentium_, 24, 25; and the Law of Nature, 25; on peace, 27, 32, 40, 131. H Hague Conference (1899); 86, 90. Hegel, G. W. F.; 57; on war, 71, 72, 75. Henry IV. of France; 30, 32, 33, 36. Hobbes, Thomas; his theory of the state of nature and origin of government, 4, 40-42, 51, 118, 119, 133; 6, 26, 27, 28, 37; his influence on Kant, 40, 46; his views on revolution, 41, 188; of the relations between states, 43-46, 128, 131; on the conduct of war, 45, 89, 120, 124, 159. Holls, Fred. W.; 86. Hooker, Richard; 52; on the depravity of man, 173. Hume, David; on the origin of government, 5, 52; on the state of nature, 40, 41; on the original contract, 52, 108, 109, 162. I International Law; the development of, 20-24; its connection with the Reformation, 21, 24; in Greece and Rome, 22, 23. Intervention; 64, 93, 94, 112, 113. J Jews; war among the, 9-11; their dream of peace, 32. Justin; 15. K Kant, Immanuel; 26, 37; his indebtedness to earlier political writers, 40, 46; his theory of human development, 47-49; and how this is possible, 49-51, 54; on the foundation of the state, 51-54, 152-154; the relations between states and individuals, 54, 55, 117-120, 128, 173, 174; the necessity for reform within the state, 55, 56, 168; the political and social conditions of his time, 57-59; his attitude to war, 58, 133, 135, 136, 137, 149-151; on the growing power of commerce, 59, 65, 142, 157; his idea of federation, 60, 68, 69, 128-137, 192; and ideal of perpetual peace, 61, 129, 196; the conditions of its realization, 62-69; on representative and other constitutions, 65-68, 120-128, 152, 153, 167; his opinion of the English constitution, 66; his disapproval of universal monarchy, 68, 69, 155, 156; 79, 83, 89, 100, 105; on the right of way, 137-142; on nature’s guarantee of a perpetual peace, 143-157; on the relation between politics and morals, 161-196; on revolution, 167, 168, 186-188. L Laveleye, Émile de; 81. Lawrence, T. J.; 9, 78, 81. Leibniz, Gottfried W.; 36; his criticism of St. Pierre, 37, 38, 58, 106. Locke, John; and the golden age, 3, 4; on the original contract, 53; on revolution, 53, 188; 67, 133. Lorimer, James; 34, 80. Louis Philippe; 76. Luther, Martin; on war, 19. M Machiavelli, Nicolo; 162. Maine, Henry; on Grotius and the _Jus Gentium_, 24, 25. Maistre, Joseph de; 71. Martineau, James; 102. Mennonites; and war, 14. Military service; of Christians, 14, 16, 18, 19; compulsory, 89; voluntary, 111. Mill, John Stuart; 80. Moltke, Graf von; 71, 73-75.