Vinzenz von BeauvaisContinuatio ex Speculi naturalis libro XXXIIIn: [Annales aevi Suevici (Supplementa tomorum XVI et XVII). Gesta episcoporum abbatum comitum saec. XII. XIII. (Supplementa tomorum XX-XXIII).]S. 162 - 164Hg. von Oskar Holder-EggerHannover; Hahn 1925Online editions:gallica.bnf.fr/ark:/12148/bpt6k934537/f169LanguagelatinUniform titleSpeculum naturaleAuthority Data (Author)GND: 118627163VIAF: 105133420Referencesopen
