The book "Systematic dictionary of French architecture of the XI-XVI centuries - Volume 5 (D - E - F)" is the fifth volume of the outstanding study of the French architect and theoretician Eugene-Emmanuel Violet-le-Duc. In this work, the author examines in detail the architectural styles and techniques that were widespread in France during the XI-XVI centuries, studying the work of outstanding masters of that time. Thanks to this book, the reader can learn more about the history of the development of architecture during this period and understand the influence it had on architectural practice in the following centuries. "D" - "E" - "F" in this volume cover a wide range of topics, from church architecture to philanthropy and technical innovations. This book will become an integral part of the library of both professional architects and anyone interested in history and art.