Tolong jelaskan mengenai Catatan dari Béla III dari Hungaria

Archdeacon Thomas of Split: History of the Bishops of Salona and Split (Latin text by Olga Perić, edited, translated and annotated by Damir Karbić, Mirjana Matijević Sokol and James Ross Sweeney) (2006). CEU Press. ISBN 963-7326-59-6.

Deeds of John and Manuel Comnenus by John Kinnamos (Translated by Charles M. Brand) (1976). Columbia University Press. ISBN 0-231-04080-6.

"Life of John of Rila from the Stishen (Sofia) Prologue". In Petkov, Kiril (2008). The Voices of Medieval Bulgaria, Seventh-Fifteenth Century: The Records of a Bygone Culture. Brill. pp. 265–268. ISBN 978-90-04-16831-2.

O City of Byzantium, Annals of Niketas Choniatēs (Translated by Harry J. Magoulias) (1984). Wayne State University Press. ISBN 978-0-8143-1764-8.

The Deeds of Frederick Barbarossa by Otto of Freising and his Continuator, Rahewin (Translated and annotated with an introduction by Charles Christopher Mierow with the collaboration of Richard Emery) (2004). Columbia University Press. ISBN 0-231-13419-3.

The Hungarian Illuminated Chronicle: Chronica de Gestis Hungarorum (Edited by Dezső Dercsényi) (1970). Corvina, Taplinger Publishing. ISBN 0-8008-4015-1.