Torrebadella i Flix, X.; Nomdedeu i Rull, A. The Popularisation of Football in Spain. An Analysis of the Phenomenon through the Specialised Literature of Football (1920-1936). Rev. gen. inf. doc. 2016, 26 (1), 119-146. https://doi.org/10.5209/rev_RGID.2016.v26.n1.53040.