Zbigniew Borkowski, "Documentary Papyri from the Michigan Collection (P. Mich. 577-602)", Gerald M. Browne, "American Studies in Papyrology", vol. VI, 1970 ; "Papyri from the Michigan Collection (P. Mich. 603-625)", John C. Shelton, "American Studies in Papyrology", vol. IX, 1971 : [recenzja] , The Journal of Juristic Papyrology, 1974, 18, , s. 272-280