Database by Subject Category: See Research Port, College Park only
- Description: The Historic American Buildings Survey (HABS) and the Historic American Engineering Record (HAER) collections, cooperatively administered since 1933 by the National Park Service and LC, document achievements in US architecture, engineering, and design through a comprehensive range of building types and engineering technologies. It is a record comprising more than 350,000 measured drawings, large-format photographs, and written histories for more than 35,000 historic structures and sites.
- Host URL: http://memory.loc.gov/ammem/hhhtml/hhhome.html
- Coverage: 1933-present