American descendants of Charlemagne

G

 * Dr. Ernst Bruno von Gersdorff

Books

 * Pedigrees of Some of the Emperor Charlemagnes Descendants, Vol. I. Compiled by Marcellus Donald R. von Redlich
 * Pedigrees of Some of the Emperor Charlemagnes Descendants, Vol. III. Compiled byJ. Orton Buck &Timothy Field Beard

Internet

 * International Society of Charlemagne