Description based on: Apr. 2005; title from title screen (viewed Jun. 20, 2005).
Current issue replaces previous issue.
Also issued as an online database, with title: Lists of national historic landmarks.
Also issued in paper format.
Mode of access: Internet at the National Historic Landmarks Program web site. Address as of 6/20/05: http://www.cr.nps.gov/nhl/designations/listsofNHLs.htm (click on "National List of NHLs as of [year]" to access current issue); current access is available via PURL.