"History of Jews in Russia and Poland, Volume 3 of 3. From the accession to the throne of Nicholas II to the present day" is the last part of Simon Dubnov's published trilogy. In this book, the author examines in detail the period of power of Tsar Nicholas II and the events that took place in Russia and Poland during this time. Dubnov examines the relationship between the Jewish population and state structures, political groups, cultural changes, and religious beliefs. The book is an important source for understanding the history of these regions and the relationships between different national groups.