SOURCE-18896Research NeededProbable
Gesta Friderici Imperatoris Ottonis Frisingensis I. 21, MGH SS 20, p. 362
Full citation
Gesta Friderici Imperatoris Ottonis Frisingensis I. 21, MGH SS 20, p. 362
Gesta Friderici Imperatoris Ottonis Frisingensis I. 21, MGH SS 20, p. 362