The document provides an overview of the development of Philippine literary periods from pre-colonial times up until the American period. It discusses the oral traditions and folk literature that existed during the pre-colonial period. The Spanish period brought writing and religious influence through the friars, as well as plays, songs, and novels that incorporated both Spanish and indigenous elements. During the American period, the shift to English expanded literary opportunities and was influenced by American writers, while also continuing the tradition of nationalistic literature.