330 Readings in European History Politische Korrespondenz Friedrichs des Grossen, 25 vols., 1879 sqq., edited by Koser and other scholars. Reinhold Koser is perhaps the greatest living authority on Frederick : Besides many articles, he has published Friedrich der Grosse als Kronprinz, 1886, and an account of his reign in Kbnig Friedrich der Grosse, 2 vols., 4to, 2d ed., 1901-1903. Lavisse has dealt with the earlier years of Frederick : La Jeunesse du Grand Frederic, 1891, and Le Grand Frederic avant Vavenement. See also, Paul-Dubois, Frederic le Grand d'apres sa correspondance politique. The Seven There are two careful histories of the Seven Years' War : Schaefer, Years' War. p) er Siebenjahrige Krieg, 3 vols., 1867-1874, and Waddington, La Guerre de Sept Ans, 1899 sqq. Three volumes of this French work have appeared, completing the year 1759. To these may be added Krones, Handbuch der Geschichte Oesterreic/is, Yos. Ill— JV; Arxeth, Geschichte Maria Theresas, 10 vols., 1S63-1879, the standard biography; and sev- eral monographs by the Due DE Broglie, Frederic I L et Maria Theresa, 1883, etc.
