Preservation and Historic Resources

American Planning Association

Back in Time DDOT

Contains more than 2,000 images and is a comprehensive database of transportation-related photographs and other materials dating back to the early 1900s.

Bytes of Historyby Sandy Schmidt

Provides access to documents describing the social history of Washington focusing primarily on the 19th and early 20th centuries. Special emphasis is given to the men and women of the Metropolitan Police Department and the many interesting stories of those interred in Washington cemeteries.

DC Preservation League

DC Public Library

Free on-line searches of Washington Post 1877- 1997 and 1987- present, on the DC Public Library website. Library card number needed.

Historic Preservation Office (DC Gov)

LÉnfant Trust

Library of Congress

National Archives (Gov)

Washingtoniana Room at Martin Luther King Memorial Library
901 G Street NW, 202-727-1213
Community Archivist 202-727-2272

National Park Service (NPS)

NPS – Technical Preservation Services

NPS – How to Preserve Historic Properties

Secretary of the Interior’s Standards for Rehabilitation & Illustrated Guidelines on Sustainability for Rehabilitating Historic Buildings  is a set of official guidelines on how to make changes to improve energy efficiency and preserve the character of historic buildings.

National Trust for Historic Preservation