An Introduction to the Study of History by Langlois, Charles Victor and Seigneault, Charles is a classic history guide first published in 1897. In this work, the authors set themselves the task of revealing the methodology of studying history, presenting the basic principles and approaches to the analysis of historical facts. The book examines in detail the concepts of sources of history, chronology, categories of causal relationships in history, as well as methods of reconstructing the past. "Introduction to the Study of History" is an important textbook for historians, students, and anyone interested in the processes of human development through the lens of the past.