Rumen Teofilov Ivanov

1956

• Tabula Imperii Romani
• The Roman and Late Roman City
• Arkheologii︠a︡ na bŭlgarskite zemi = Archaeology of the Bulgarian lands
• Dolnodunavskata otbranitelna sistema mezhdu Dortikum i Durostorum ot Avgust do Mavrikiĭ =
• Gotite i Bŭlgarii︠a︡
• Istorii︠a︡ na Silistra
• Mezhdu Dunava i Khemus (I-VI vek)
• Ratiaria and its territory
• Rimska Mizii︠a︡
• Rimski gradove v Bŭlgarii︠a︡
• Rimski i rannovizantiĭski gradove v Bŭlgarii︠a︡
• Roman cities in Bulgaria