Originally published in 1958, A Guide to Western Architecture charts the origins of the system of architectural design that was perfected in Greece, follows its development under the Roman Empire and describes the achievements of the Byzantine architects.

An author of almost sixty books, with topics ranging from interiors to furniture history, from industrial design to the use of plastics, Gloag was a member of an elite design culture that was highly visible throughout the 1930s and 40s.