The historians' history of the world in twenty-five volumes, volume 07
CHAPTER V. CHARLEMAGNE
[b] EINHARD (EGINHARD), _op. cit._
[c] FRIEDRICH WILHELM BENJAMIN VON GIESEBRECHT, _Geschichte der deutschen Kaiserzeit_.
[d] MONK OF SAINT GALL, _De Carolo Magno_.
[e] J. Y. SHEPPARD, _The Fall of Rome and the Rise of New Nationalities_.