GERMANY IN THE LATER MIDDLE AGES 547 Esthonia. But then its empire underwent speedy dissolu- tion, and later Denmark itself seemed liable to divide into several petty states. In 1397 the three Scandinavian king- doms came under one sovereign in the Union of Kalmar, which did not benefit nor please any one of the three coun- tries and which was maintained with difficulty and occa- sional secessions during the remainder of the Middle Ages. »■§•>« EXERCISES AND READINGS Source Selections. Thatcher and McNeal, Source Book for Medieval History, selection 152, pp. 267-69, "Union of the Forest Cantons"; selection 160, a and b, pp. 306-08, "Acquisition of the Mark of Brandenburg by the Hohen- zollern Family." The Golden Bull. Thatcher and McNeal, Source Book for Medieval History, pp. 283-305; or, more fully, Henderson, Select Historical Documents of the Middle Ages, pp. 220-61. The Holy Roman Empire. W. Stubbs, Germany in the Later Middle Ages, edited by Hassall. Any chapter from the third, which deals with the Interregnum, to the ninth, on the reign of Sigismund. Rise of the Swiss Confederation. Coolidge on Switzerland history, pp. 246-51 of the appropriate volume of the Encyclopcedia Britannica, nth edition. Lodge, The Close of the Middle Ages, chap, vil, pp. 126-38. The Hanseatic League. Zimmern, Hansa Towns, pp. 49, 95-96, 137-40, 143-47, 154-55, 166-68, I9I-93- Henderson, Short History of Germany, chap, vin, pp. 181-202. Lodge, The Close of the Middle Ages, chap, vin, pp. 419-51. Article on the "Hanseatic League," in the Encyclopcedia Britannica, nth edition. The Teutonic Order and Poland. Lodge, The Close of the Middle Ages, chap, xix, pp. 452-67. Henderson, Short History of Germany, chap, vin, pp. 172-81.