Screen, Elina (2020) Coins as an indicator of communications between the British Isles and Scandinavia in the Viking age. In: Gruszczyński, J. and Jankowiak, M. and Shepard, J. (eds.) Viking-Age Trade: Slaves, Silver and Gotland. Abingdon, UK: Routledge, pp. 377-395. ISBN 9781138293946.