"Two Madeiran Manuscripts from the 19th Century for Classical Guitar" by Paulo Esteireiro and Manuel Morais at academia.edu

https://www.academia.edu/9767774/_Two_Madeiran_Manuscripts_from_the_19th_Century_for_Classical_Guitar_

You can order the CD-Rom with the full text and music scores at
http://www.areavirtual.pt/index.php?route=product/product&path=62&product_id=125