This vintage hardcover 1913 Year Book of the Nineteenth Architectural Exhibition is a must-have for architecture enthusiasts and collectors. The book features 159 pages of illustrations and photos showcasing the exhibition plus some great advertising from Philadelphia. Published by T Square Club and under the Patronage and in the Galleries of the Pennsylvania Academy of Fine Arts. This was owned by Herbert Ziegler, an architect, and has his stamp on the upper right of the title page on one of the back advertising pages, as seen in the photos. His name is also written on the front inside cover.