Friedrich Barbarossa.
Series: Deutsche könige und kaiser -- [9]
Publisher: Akademische verlagsanstalt Athenaion
Published: 1940
Place of publication: Potsdam
Language: ger
Number of pages: 167
Subjects: Frederick -- I, -- Holy Roman Emperor, -- ca. 1123-1190
Notes: "Literaturübersicht": p. 160-163.