Uncanny (as defined by Freud), 180 , 228 , 229 , 231 -233, 236 , 238
Unintended consequences, 35 , 57 , 63 , 92 , 100
Unity of science, 48
Universalgeschichte, 207, 208 , 224 , 236
Uses of history, 164 , 165
