"Medieval and Renaissance treatises and form letters : a census of manuscripts found in Eastern Europe and the Former U.S.S.R", Emil J. Polak, Leiden 1993 : [recenzja]

Studia Źródłoznawcze. Commentationes, Tom 36 (1997) s. 119-120
Maria Koczerska , Emil J. Polak (aut. dzieła rec.)