... 6-8, 46 -^7, 48 - 49 , 67-68, 75-80, 83, 88-89Guillotin, Joseph Ignace, 42 Hindenburg, Plan, 46 Hitler, Adolf, ix, 22, 47 , 53Hoff, Trygve, 34 Ideas, role of, 93-106India, 14, 8S- 84 Industrial ... 41 ,101-1 04 Rousseau, Jean Jacques, 19Russia, 34- 36, 54, 81-82Savings, capital investment, 11, 14- 15, 76-81, 84- 88Slavery, serfdom, 23- 24 Smith, Adam, 105Socialism, 13, 17-36, 46 -49 Sombart, ... invest-ment, 75-81, 84- 89Dictatorship, 100-101Diocletian, Emperor, 41 , 42 ,1 04 Du Barry, Mme. Marie JeanneBecu, 63 Economic calculation, 32- 34 Economic freedom, 17 ,49 -50,75Engels, Friedrich,...