Letters from the Kaiser to the Czar
Letters from the Kaiser to the Czar, copied from government archives in Moscow unpublished before 1920; private letters from the Kaiser to the Czar . now in possession of the Soviet government
Letters from the Kaiser to the Czar: copied from government archives in Petrograd unpublished before 1920
The Kaiser's letters to the Tsar
The Kaiser's memoirs, 1888-1918. English translation by Thomas R. Ybarra
The war lord: a character study of Kaiser William II : by means of his speeches, letters and telegrams