The document provides information on several important works in Philippine literature: 1. The Doctrina Christiana of 1593 is considered the first book printed in the Philippines, though its authorship and printing have been debated. 2. Barlaan at Josaphat from 1708 was an important Tagalog translation of the lives of two saints. It was published by the Society of Jesus with permission after review. 3. Modes to de Castro used an epistolary style through 34 letters to family in Paombong. 4. Padre Gaspar Aquilino de Belen, a native of Rosario, Batanga, was the first Filipino to write and sing the Pass