SEAL OF CONSTANTINE IV, EMPEROR OF BYZANTIUM, FOUND AT DUROSTORUM

[1] BARNEA I, 1971, CULTURE BYZANTINE RO

[2] BARNEA I, 1968, ISTORIA DOBROGEI, V2

[3] BARNEA I, 1971, ISTORIA DOBROGEI

[4] Barzu Ligia, 1980, CONTINUITE CREATION

[5] COMSA M, 1971, REV ETUDES SUD EST E, V9, P377

[6] Iorga Nicolae, 1937, HIST ROUMAINS ROMANI, V2

[7] LAURENT V, 1939, ECHOS ORIENT, V38, P359

[8] Mitrea Bucur, 1975, SCM, V6, P113

[9] OSTROGORSKY G, 1956, HIST ETAT BYZANTINE

[10] PETRE A, 1975, THESIS BUCAREST

[1] BARNEA I, 1971, CULTURE BYZANTINE RO

[2] BARNEA I, 1968, ISTORIA DOBROGEI, V2

[3] BARNEA I, 1971, ISTORIA DOBROGEI

[4] Barzu Ligia, 1980, CONTINUITE CREATION

[5] COMSA M, 1971, REV ETUDES SUD EST E, V9, P377

[6] Iorga Nicolae, 1937, HIST ROUMAINS ROMANI, V2

[7] LAURENT V, 1939, ECHOS ORIENT, V38, P359

[8] Mitrea Bucur, 1975, SCM, V6, P113

[9] OSTROGORSKY G, 1956, HIST ETAT BYZANTINE

[10] PETRE A, 1975, THESIS BUCAREST