XX, Jena 1890.— 18.
211 232 232 235 236 236 237 240 241 241 247 CONTENTS IX III. Excess Capital and Wages of Labourers. Improvement of.
211 232 232 235 236 236 237 240 241 241 247 CONTENTS IX III. Excess Capital and Wages of Labourers. Improvement of.