Historia Diplomatica Friderica Secundi: Sive Constitutiones, Privilegia, Manata Instrumenta Quae Supersunt Istitus Imperatoris Et Filiorum Ejus. Accedunt Epistolae Paparum Et Documenta Varia, Volume 2, page 1

This is a collection of documents related to the reign of the Holy Roman Emperor Frederick II and his sons. The text is primarily in Latin and includes charters, letters, and other official documents that provide valuable insight into the political and social structure of medieval Europe.

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