Itskhok Fiselevitch Fikhman, "Gosudarstvennyi stroy Nubii v VII-IX w. n.e. i zakony Bokkhorisa", [w:] "Drevniy mir. Sbornik statey v chest' akademika V. V. Struve" = "The state order of Nubia in the VII-IX centuries A.D. and the laws of Bocchoris", [w:] "The Ancient World. A collections of essays in honour of the Academician V. V. Struve", I. S. Katznel'sоn, Moscow 1962 : [recenzja] , The Journal of Juristic Papyrology, 1965, 15, , s. 420