Nordic Elites in Transformation 1050-1250, Volume 1: Material Resources New publication edited by Professor Bjørn Poulsen, Jon Vidar Sigurdsson & Helle Vogt. 21 May 2019 by Julie Raunstrup Poulsen, B., Sigurdsson, J. V. & Vogt, H. (eds.) (2019). Nordic Elites in Transformation 1050-1250, Volume 1: Material Resources, New York.