"Provinces of the Roman Empire, from Caesar to Diocletian. Volume 2" is a study by the famous historian Theodor Mommensen, dedicated to the analysis of the political system and administrative division of the Roman Empire in the period from Julius Caesar to Emperor Diocletian. The author examines various aspects of the organization of the provinces, their economy, culture and interaction with the center of the empire. The book is an important source for understanding the internal politics of the Roman Empire and the processes that influenced its development over the centuries. Thanks to the in-depth analysis and accessible language of the author, the book will be a useful addition to the library both for the general public and for studies as history professionals.