Nicol 1986, p. 161: "But he was overruled by Demetrios Chomatianos M. In due course the daughter of Kamonas married a local magnate called Golem (or Goulamos), and Kroia and Arbanon reverted to native rule. Golem was connected not only with the Serbian royal family but also by marriage with John Batatzes of Nicaea; and it was through this latter connexion that he was tempted into joining the winning side in Macedonia in 1252, when the armies..." Nicol, Donald MacGillivray (1986). Studies in Late Byzantine History and Prosopography. London: Variorum Reprints. ISBN978-0-86078-190-5.
Osswald 2007, p. 134 "In 1252, Prince Golem of Arbanon submitted to the empire of Nicaea, but this did not last, since, in 1257/58, the Albanians rebelled again and rejoined the party of Michael II, ruler of Epirus." Osswald, Brendan (2007). "The Ethnic Composition of Medieval Epirus". In Ellis, Steven G.; Klusáková, Lud'a (eds.). Imagining Frontiers, Contesting Identities. Pisa: Edizioni Plus – Pisa University Press. pp. 125–154. ISBN978-88-8492-466-7.
Nicol 1957, p. 152: "They had barely crossed the frontiers of Albania when Golem, the chieftain of Kroia and Elbassan, who had been helping Michael's army in the region of Kastoria, surrendered himself and his soldiers to Vatatzes. Nicol, Donald McGillivray (1957). The Despotate of Epiros. Oxford: Blackwell & Mott, Limited.
Ducellier 1999, p. 791: "In the winter of 1256–1257, George Akropolites, exercising authority over the newly acquired provinces, felt free to travel around the region, after bringing together at Durazzo the ‘notables’ of Arbanon, among them, no doubt, Prince Gulam (of whom subsequently no more would be heard); he thus annexed without a murmur the statelet in which he was able to install a civil, military and fiscal administration which was thoroughly Byzantine." Ducellier, Alain (1999). "Albania, Serbia and Bulgaria". In Abulafia, David (ed.). The New Cambridge Medieval History, Volume 5, c.1198–c.1300. Cambridge: Cambridge University Press. pp. 779–795. ISBN978-1-13905573-4.
Ducellier 1999, p. 791: "In the winter of 1256–1257, George Akropolites, exercising authority over the newly acquired provinces, felt free to travel around the region, after bringing together at Durazzo the ‘notables’ of Arbanon, among them, no doubt, Prince Gulam (of whom subsequently no more would be heard); he thus annexed without a murmur the statelet in which he was able to install a civil, military and fiscal administration which was thoroughly Byzantine." Ducellier, Alain (1999). "Albania, Serbia and Bulgaria". In Abulafia, David (ed.). The New Cambridge Medieval History, Volume 5, c.1198–c.1300. Cambridge: Cambridge University Press. pp. 779–795. ISBN978-1-13905573-4.