Madrid, 1966 167pp.+ 2 plates out-of-text, with handwritten dedication by author to the Belgian scholar Raymond Macken O.F.M., Doctoral dissertation, nice modern binding in red cloth (gilt title on spine), 24cm., fine condition, text in Spanish & in appendix: latin text of Pedro de Navarra "Prologus in librum sententiarum" (pp.91-166), F78261