Florida Subcategories This category has the following 12 subcategories, out of 12 total. Buildings and structures on the National Register of Historic Places in Delaware (14 C, 10 P) Buildings and structures in Delaware by condition (4 C) Buildings and structures in Delaware by county (9 C) Buildings and structures in Delaware by populated place (8 C) Buildings and structures in Delaware by type (20 C)* Lists of buildings and structures in Delaware (2 C, 18 P)C Civilian Conservation Corps in Delaware (3 P)D Buildings and structures on the Delaware River (3 P)H Historic American Buildings Survey in Delaware (103 P) Historic American Engineering Record in Delaware (19 P)P Public Works Administration in Delaware (1 P)Σ Delaware building and structure stubs (148 P)