The Doctrina Christiana were two early books on the catechism of the Catholic Church, both published 1593 in Manila, Philippines. These are two of the earliest printed books in the Philippines.
Cover of the Doctrina Christiana en lengua española y tagala featuring Saint Dominic with the book's full title. Woodcut, 1593.
Page from the Doctrina Christiana en lengua española y tagala, 1593. From the Rosenwald Collection, Library of Congress.