[]Daia's full name: ILS, 8933; the form Galerius Valerius Maximus appears on inscriptions( ILS, 655, 663; CIL, 3.5748, 5.8963, 8.10293, 9.687, 5433, 5967).
For a listing of sources on Daia's background, family life, and the dating of his appointment as Caesar, see A.H.M. Jones, J.R. Martindale, and J. Morris, The Prosopography of the Later Roman Empire, (Cambridge, 1971), s.v. "Galerius Valerius Maximinus Daia 12" 1.579, and T.D. Barnes, New Empire of Diocletian and Constantine, (Cambridge, 1982), 6ff, 39.
For a discussion of the extent of Maximinus' realm, see I. König, Origo Constantini: Anonymus Valesianus, (Trier, 1987), 79ff
For the sources treating Daia's wife and children, see Michael DiMaio, Zonaras' Account of the Neo-Flavian Emperors, (Ph.D. diss., University of Missouri-Columbia, 1977), 150-151.
[]For a reconstruction of Daia's reign, see Barnes, Constantine and Eusebius (Cambridge, 1981), 26ff and O Seeck, RE 4, s.v. "Daia," col. 1986ff.
For a listing of the chronology of Daia's reign and the sources that treat it, see Barnes, New Empire, 65ff, and Dietmar Kienast, Römische Kaisertabelle, (Darmstadt, 1990), 284ff.
For a discussion of the death of Constantius and the sources that treat it, see DiMaio, 96ff.
Severus' campaign against Maxentius is discussed by Barnes, Constantine and Eusebius,, 30ff, E. Groag, RE 14, s.v. "Maxentius," col. 2426.6ff, and by W. Ensslin, RE 14, s.v. "Maximianus (1)," col. 2525.30ff.
For a discussion of Galerius' invasion of Italy and the Conference at Carnuntum, see, for example, Barnes, Constantine and Eusebius, 31ff, and E Groag, RE 14, col.2430.48ff.
[]For a discussion of Daia's persecution of Christians and his role in the "Great Persecution," Barnes, Constantine and Eusebius, 39ff, Seeck, RE col. 1988ff. , and B.J. Kidd, A History of the Church to A.D. 461,(Oxford, 1922), 1.515ff, 526ff
[]The defeat of Daia and his death are discussed by Barnes, Constantine and Eusebius, 62ff, and Seeck,RE 4, col. 1989.56fff.