Itskhok Fiselevitch Fikhman, "Rabstvo i kolonat v vizantiyskoy Italii vo vtoroy polovine VI-VII v. (Preimushchestvenno po dannym Ravenskikh papirusow). Sbornik 'Vizantiyskie ocherki' = The slavery and colonate in the Byzantine Italy in the second half of the VI-VII centuries (chiefly after the data of the papyri from Ravenna). The collection 'The Byzantine Essays'", Ζ. V. Udaltzονa, Moscow 1961 : [recenzja] , The Journal of Juristic Papyrology, 1965, 15, , s. 426