The man of many devices, who wandered full many ways .: Festschrift in honor of János M. Bak by Nagy, Balázs, Sebők, Marcell, Bak János Mihály 0 Type: Book
Socialism and social science: Selected writings of Ervin Szabó, 1877-1918 by Bak János Mihály, Szabó Ervin, Litvan, Gyorgy 0 Type: Book
