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http://dx.doi.org/10.12946/rg26/395-397 (Any fulltext)
Spahn, P. N. (2018). Ein zweifelhaftes Geschenk [Rezension von: Steven A. Schoenig, Bonds of Wool. The Pallium and Papal Power in the Middle Ages (Studies in Medieval and Early Modern Canon Law 15), Washington, D.C.: The Catholic University of America Press 2016]. Rechtsgeschichte - Legal History Rg, 26, 395-397.