(Νικόλαος), literary. Nicolaus is the name of a great many writers and ecclesiastics in the times of the Byzantine empire, but only the most important of them are mentioned below. A full list of them is given in Fabricius (Bibl. Graec. vol. xi. p. 286).
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890