Here are some of her notable works:
* The Great Cathedrals of France (1962): This book is a well-regarded analysis of the architectural styles and history of French cathedrals.
* The World of the Gothic Cathedrals (1977): This work further explores the social, religious, and artistic context of Gothic architecture.
* The Golden Age of the Cathedrals (1987): This book examines the historical and cultural factors that contributed to the flourishing of Gothic architecture in the Middle Ages.
* The Gothic Cathedrals: A Visual Guide to Their History (1995): This is a more concise and accessible guide to Gothic cathedrals, including their origins, styles, and significance.
Her work is known for its clear and engaging style, as well as its insightful interpretations of the history and aesthetics of Gothic architecture.