La obra completa del renombrado gramático de la lengua castellana, Francisco Sánchez, más conocido como Sanctius, es una colección de tratados que abordan la gramática de la lengua castellana, así como la historia y evolución de la lengua. Esta obra es fundamental para los estudiantes de filología y lingüística hispánica ya que establece las bases para el estudio riguroso de la lengua castellana. Además, la introducción del erudito Gregorio Mayáns y Siscar, enriquece aún más esta obra de referencia. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.