found: Cirac Estopañán, S. Bizancio y España, 1943:v. 1, t.p. (Déspotas Thomas y Esaú de Joannina) p. 1, etc. (Déspota Thomas del Epeiros; Thomas Komnenos Palaiologos)
found: NUC, pre-1956(hdg.: Thomas II, Preljub, Komnenos Palaiologas, despot of Epirus, d. 1384)
found: Megalē hellēnikē enkykl. under Ēpeiros,p. 336 (Thōmas Prelioumpovits, Despotēs tēs Ēpeirou) p. 752 (Thōmas Prelioulovits, d. 1385)
found: Encikl. Jugoslavije. under Epirska despotovina(Srpska vlast u Epirskoj Despotovini završila se ubistvom Tome Preljubovića 1384)