Some of Puerto Rico's earliest writers were influenced by the teachings of Rafael Cordero. Among these was Dr. Manuel A. Alonso, the first Puerto Rican writer of notable importance. In 1849 he published , a collection of verses whose main themes were the poor Puerto Rican country farmer. Eugenio María de Hostos wrote in 1863, which used Bartolomé de las Casas as a spring board to reflect on Caribbean identity. After this first novel, Hostos abandoned fiction in favor of the essay which he saw as offering greater possibilities for inspiring social change.