The document outlines 5 periods of Philippine literary history: 1) The pre-colonial period featured riddles. 2) During Spanish colonization, folk songs like Tibag and Lagaylay emerged. 3) Short stories developed as a genre in the American colonial era, including works by Maximo Kalaw and Manuel Arguilla. 4) Haiku poetry arose under Japanese occupation. 5) The contemporary period is represented by Tula poems on various themes.