Author:Frederick I

For authors with similar names, see Author:Frederick.

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Frederick I
(1122–1190)

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Also known as Frederick Barbarossa: Holy Roman Emperor from 1155 until his death.

Works

Peace of the Land established by Frederick Barbarossa (1152-1157).
The Establishment of the Duchy of Austria (1156).
Manifesto of the Emperor (1157).
Gelnhausen Charter (1180).

Letters to Frederick

Letter of Adrian IV to Barbarossa (1157).
Letter of Adrian IV to Barbarossa (1158).

Works about Frederick

Letter of Adrian IV to the German Bishops (1157).

"Frederick I (Barbarossa)," in Catholic Encyclopedia, (ed.) by Charles G. Herbermann and others, New York: The Encyclopaedia Press (1913)
"Frederick I.," in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)
“Frederick I (emperor)”, in The Encyclopedia Americana, New York, 1920
"Frederick I., Roman Emperor," in Encyclopædia Britannica (11th ed., 1911)
"Frederick Barbarossa" in Famous Men of the Middle Ages by John H. Haaren (1904).
"Frederick I. (Roman emperor)," in The New International Encyclopædia, New York: Dodd, Mead and Co. (1905)

Some or all works by this author were published before January 1, 1929, and are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.

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