{"id":"001534940","type":"article","title":"A Probable Addition to the Coinage of Henry, Earl of Northumberland (d. 1152)","publisher":"The Royal Numismatic Society","publisher-place":"London","pages":"341-342","container-title":"The Numismatic Chronicle. The Journal of the Royal Numismatic Society, ns177 (2017","author":[{"family":"Allen","given":"Martyn."}],"issued":{"raw":"2017"}}