PlayStation 3 and Xbox 360. Rockstar Games. 2008-04-29. "Paper Trail". Rockstar North. Grand Theft Auto IV. v. 1.0. PlayStation 3 and Xbox 360. Rockstar Games
Washington Cog Railway (页面存档备份,存于互联网档案馆) Mount Washington Auto Road (页面存档备份,存于互联网档案馆) Current trail conditions on and around Mount Washington (页面存档备份,存于互联网档案馆)