Note 47 — BOOK I. FROM THE END OF THE THIRTEENTH TO THE COMMENCEMENT OF THE SIXTEENTH CENTURY.

The celebrated letter of the Marquis de Santillana, which must be more particularly noticed hereafter, contributes its part in illustrating the history of this period. Much however is not to be learned from the letter itself. The commentary on it by Sanchez, in the first volume of the before-mentioned Coleccion, is far more instructive.