Anonymus Bele regis notarius (/aˈnɔ.ni.mus ˈbeː.le ˈreː.ɡis noˈtaː.ri.us/) ("Anonymous Notary of King Bela") or Master P. (fl.
[1][3] Many scholars accept the former version, translating the text as "P who is called magister, and sometime notary of the most glorious Béla, king of Hungary of fond memory".
[6] In his 1937 study, historian Loránd Szilágyi identified Anonymus with a certain Peter, a canon, alter provost of the cathedral chapter of Esztergom.
Several authors shared his view until 1966, when literary journal Irodalomtörténeti Közlemények published the papers of János Horváth, Jr. and Károly Sólyom, who claimed Anonymus was identical with Peter, Bishop of Győr.
The renowned historian György Györffy refuted their theory in 1970 and considered authorship of a Peter, who served as provost of Buda, despite the fact that there is no data on the existence of such a person.