"Anglo-Saxon and Slovak-Avar Patterns of Cuthbert's Gospel. A Study in Slovak Art of the Early Carolingian Era", Joseph Cincik, Cleveland-Rome 1958 : [recenzja]

Studia Źródłoznawcze. Commentationes, Tom 6 (1961) s. 193
Gerard Labuda , Joseph Cincik (aut. dzieła rec.)