www.madrid.org
Official web page of the Autonomous Community of Madrid. In the regional section there are two links to information of interest: “rural districts” and “culture and leisure”. Information about towns and villages and other trails near the Greenway

http://archivo2.ayto-arganda.es/archivo/index.asp
Web page devoted to the historical municipal archives of the town of Arganda del Rey, containing historical photographs of the railway and the area