Sleeping sickness a record of four years' war against it in Principe, Portuguese West Africa This book, "Sleeping sickness a record of four years' war against it in Principe, Portuguese West Africa", by Bernardo Francisco Bruto da Costa, is a replication of a book originally published before 1916. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.