RAFAEL DIAZ ARENAS

 https://archive.org/details/bub_gb_Gqz8_OzVQVAC 

https://archive.org/search?query=creator%3A%22Rafael+D%C3%ADaz+Arenas%22 

https://forgottenbooks.com/en/books/Mindanao_10413877 

https://www.larramendi.es/es/consulta_aut/registro.do?id=87324