The book "Journal of Prison Discipline and Philanthropy (New Series, No. 50) November 1911", authored by the Pennsylvania Prison Society, is a valuable document reflecting the state of the prison system at the beginning of the 20th century. In this issue, the reader will find a broad analysis of prison conditions, problems of discipline and rehabilitation of prisoners. The authors of the articles share their own observations, advice and recommendations for solving problems related to improving the conditions of detention of prisoners. The book offers the reader a unique opportunity to look at the prison system of the late 19th and early 20th centuries through the prism of the experience and opinions of specialists in this field.