Serrano Larráyoz, F. “‘Item Perrexil, Mostarda, Lechugas Et rauanos’. Notes on the Nourishment of German Miners in Pamplona at the End of the 14th Century (1392)”. Anuario De Estudios Medievales, vol. 38, no. 1, June 2008, pp. 235-69, doi:10.3989/aem.2008.v38.i1.67.