found: His Az új magyar könyvkiadás tíz éve, 1956.
found: Fügedi, E. Kings, bishops, nobles, and burghers in med. Hungary, 1986:t.p. (J.M. Bak)
found: His Magyarország könyvkiadása, 1945-1969, 1970:t.p. (Bak János)
found: The Laws of the medieval kingdom of Hungary, c1989- :v. 1, verso CIP t.p. (János Mihály Bak)
found: Manufacturing a past for the present, 2015:ECIP t.p. (Janos M. Bak) data view (János M. Bak is Professor Emeritus of Medieval History at the University of British Columbia, Vancouver and Central European University, Budapest)
