Radziwill, M. D. E. d. C., Nicolis di Robilant, M. A., & Fox, C. S. (1937). This was Germany: An observer at the court of Berlin; letters of Princess Marie Radziwill to General di Robilant ... one time Italian military attaché at Berlin <1908-1915> edited and translated from the French, with an introduction and notes explaining events. J. Murray.

Radziwill, Marie Dorothea Elisabeth de Castellane, et al. This Was Germany: An Observer at the Court of Berlin; Letters of Princess Marie Radziwill to General Di Robilant ... One Time Italian Military Attaché at Berlin <1908-1915> Edited and Translated from the French, with an Introduction and Notes Explaining Events. J. Murray, 1937.