Recurso 1

https://books.google.com.do/books?id=YSCGga1Kdj0C&pg=PA203&dq=libro+de+geografia+universal+de+juan+colon&hl=es-419&sa=X&ved=0ahUKEwjYytSsn5PTAhUFTSYKHVizB4UQ6AEIRDAI#v=onepage&q=libro%20de%20geografia%20universal%20de%20juan%20colon&f=false