The phrase "Pennsylvania German architecture" likely conjures images of either the "continental" three-room house with its huge hearth and five-plate stoves, or the huge Pennsylvania bank barn with its projecting overshoot. These and other trademarks of Pennsylvania German architecture have prompted great interest among a wide audience, from tourists and genealogists to architectural historians, antiquarians, and folklorists. Since the nineteenth century, scholars have engaged in field measurement and drawing, photographic documentation, and careful observation, resulting in a scholarly...