720 - Architecture 755
728 - Residential & related buildings 500
725 - Public structures 242
729 - Design & decoration 131
724 - Architecture from 1400 94
721 - Architectural structure 87
726 - Buildings for religious purposes 70
727 - Buildings for education & research 47
722 - Architecture to ca. 300 13
723 - Architecture from ca. 300 to 1399 4