H. A. Raapke Architectural Sketchbook 001
Archetectural drawing by H. A. Raapke with details marked as "Base Certosa," "Capitello Interno Della Chiesa Certosa," and "Romanesque Ornaments in Piacenza," initialed HAR, dated Oct. 1906. The medium is pencil, on a 7.5" x 9.5" sheet. The original is still contained within the sketchbook cover, though the sheet is separated from the spine.