Pour l'histoire de la féodalité byzantine

Translation by Henri Grégoire of G. Ostrogorski's "Pronija. Prilog istoriji feudalizma u Vizantiji i u južnoslovenskim zemljama" (Beograd, 1951) - a magisterial early work on land property in Byzantium.
In appendix, translation by Constantin de Grünwald of G. Ostrogorski's "Vizantijskie piscovye knigi", Byzantinoslavica 9.2 (1948): 203-306 - a study of Byzantine praktika or cadastres.