"European Communication Networks in the Early Modern Age: A new framework of interpretation for the birth of journalism," "Media History" (2011) 17#2 pp 189–202* Biographical dictionary of 24,000+ British and Irish journalists who died between 1800 and 1960
"European Communication Networks in the Early Modern Age: A new framework of interpretation for the birth of journalism," "Media History" (2011) 17#2 pp 189–202* Wilke, Jürgen: "Journalism", European History Online, Mainz: Institute of European History, 2013, retrieved: January 28, 2013.