Pichel Gotérrez, R. 2014. Nuno Freire de Andrade, Grand-Master of Christ. Andrade’s tradition and relations with de Portuguese kingdom. Madrygal. Revista de Estudios Gallegos. 17, (Jul. 2014), 99–113. DOI:https://doi.org/10.5209/rev_MADR.2014.v17.45741.