Fischer, H. W. 1. (1898). Private lives of William II and his consort, and secret history of the court of Berlin, from the papers and diaries extending over a period, beginning June, 1888, to the spring of 1898, of Ursula, countess von Eppinghoven [pseud.]. New York: Fischer's foreign letters, Inc..

Fischer, Henry W. 1856-1932. Private Lives of William II and His Consort, and Secret History of the Court of Berlin, From the Papers and Diaries Extending Over a Period, Beginning June, 1888, to the Spring of 1898, of Ursula, Countess Von Eppinghoven [pseud.]. New York: Fischer's foreign letters, Inc., 1898.

Fischer, Henry W. 1856-1932. Private Lives of William II and His Consort, and Secret History of the Court of Berlin, From the Papers and Diaries Extending Over a Period, Beginning June, 1888, to the Spring of 1898, of Ursula, Countess Von Eppinghoven [pseud.]. New York: Fischer's foreign letters, Inc., 1898.