Historic Preservation

Created by the State Historic Preservation Office, this database includes 60,000+ records compiled from cultural resource inventories, National Register nominations, and other sources. Includes about 2,000+ scanned NR nominations which normally provide authoritative information and bibliographies.

Convenient Wikipedia list of National Register sites in Oregon with locations and images.

This electronic resource surveys the history of the apartment house in Portland, Oregon, from its emergence in the early 20th century to the early years of the Great Depression. Includes 865 buildings and an interactive map pointing to locations of existing and demolished works.

Online reproduction of the multivolume Ellis Lawrence Building Survey (1989) which documents approximately 500 works created by architect Lawrence and the firms in which he was principal architect.

The National Register of Historic Places is the official list of the Nation's historic places worthy of preservation. Authorized by the National Historic Preservation Act of 1966, the National Park Service's National Register of Historic Places is part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect America's historic and archeological resources.

The collections document achievements in architecture, engineering, and landscape design in the United States and its territories through a comprehensive range of building types, engineering technologies, and landscapes.

SAH Archipedia is a growing online resource, with much of its material derived from the Buildings of the United States print series, in which many entries were unillustrated. The Society of Architectural Historians is actively seeking photographs, as well as archival plans and drawings, for every building included on the site.

The Canadian Register is a searchable database containing information about recognized historic places of local, provincial, territorial and national significance.