William IV
R. J. B. Knight
Edward VII
R. P. T. Davenport-Hines
Edward III
Jonathan Sumption
In the Shadow of the Gods
Dominic Lieven
Kaiser Wilhelm II
Christopher M. Clark
Frederick the Great
T. C. W. Blanning
Colour Bar
A. Susan Williams
Two Lives of Charlemagne
Einhard
King Harald's Saga
Snorri Sturluson
