Magister Jacobus de Ispania, Author of the Speculum musicae
Margaret Bent
8 Another version of this and the following two texts can be found on Graça Videira Lopes, Manuel Pedro Ferreira, et al., Cantigas Medievais Galego Portuguesas [online database] (Lisbon: Instituto de Estudos Medievais, FCSH/ NOVA, 2011–) ...