Sancha, Antonio de. Idea de una edici6n de las Crénicas ... 1778. (Card 2)
The projected work subsequently appeared in Tv. with series title Coleccién de crénicas y memorias de los reyes de Castilla, Madrid, 1779-87.
The pages designated "ix-xvi" appear in P.F. de Velasco's Seguro de Tordesillas in v.5 of the Crénicas as published.