‘A Useful Tale about the Latins’ is a detailed historical account of the split between Rome and Eastern Churches and it belongs to the underresearched corpus of Slavic translations by Byzantine anti-Catholic texts which formed gradually between 11th and 14th c. The paper presented firs attempt to collect copies, to study the origin and transmission of the text. The author described a few redactions and respective witnesses to every redaction, their specific features and history of formation.