Rare historical wall charts on the history of architectural styles, with comprehensive explanations, created for art history lessons in the 1955s. The pictures are illustrated by Arch. F. Hoffmann and compiled by the historian Prof. Karl Scheidl. The illustrations show the castle of Chillon, the cathedral of Speyer and a residential building in Romanesque style in frontal, elevation and floor plan. It got printed by the famous Hoffmandruck in Vienna. Despite their age, the condition of the prints is as good as new, the drawings and illustrations are highly professional, the colors are beautiful and well preserved!