Spiridon G. Focas

• The Lower Danube River in the southeastern European political and economic complex from antiquity to the Conference of Belgrade of 1948
• Bessarabia in the political order of southeast Europe in the 19th century
• Doua memorii cu privire la incalcarea drepturilor Romaniei la gurile Dunarii
• Ho Zallōnēs, hoi Phanariōtes kai hoi Roumanoi
• Hoi Hellēnes eis ten potamoploīan tou Katō Dounaveōs
• Hoi Hellēnes eis tēn potamoploian tou Katō Dounaveōs