Notas sobre la descripción bibliográfica y la configuración del manuscrito M-139 de la Biblioteca de Menéndez Pelayo

This paper examines from a codicological and bibliographical point of view the manuscript M-139 of the Menéndez Pelayo Library (Santander, Spain). The aim is to provide new information on the materiality of the codex while linking the study of the material and content of the manuscript, in order to draw conclusions about its configuration. After the identification of the manuscript, the contents are explained in detail. The material aspects are then dealt with, from the composition and markings of the paper, through the systems of arrangement to a brief paleographic analysis.