York(页面存档备份,存于互联网档案馆) at Empire State Roads "On Route 20, Where the Past Is Present": August 11, 2006, article in The New York Times Escapes section. Flickr
Railway: Its Rise and Development. Andrew Reid and Company. 1915. OCLC 504251788. Wilson, Arnold T. The Suez Canal: Its Past, Present, and Future (PDF).