Itskhok Fiselevitch Fikhman, "K voprosu o korporativnoi vzaimopomoshchi v vizantiiskom Egipte = A Contribution to the Problem of Mutual Assistance in the Guilds of Byzantine Egypt", I. F. Fikhman, "JJP", XV, 1965 : [recenzja] , The Journal of Juristic Papyrology, 1971, 16-17, , s. 196