'Thomson's studies are characterized by consummate erudition, enviably broad linguistic skills ancient and modern, and clarity of expression... a splendid volume, essential to any scholar with even passing interests in East Slavic history or culture before 1700.' Jahrbücher für Geschichte Osteuropas. 'Without doubt ...a weighty contribution to the study of the mediaeval culture of the Eastern Slavs...To conclude, we must be grateful to the author for his severe, but in many cases justified criticism of the numerous scholarly conjectures, unfounded hypotheses and a priori opinions which abound in Old Slav studies.' Kalbotyra 50 (2), Slavica Vilnensis, 2001 'This is a truly important book for many aspects of Russian, and medieval Slavic, cultural studies.' The Russian Review