Digital scans: http://gallica.bnf.fr/ark:/12148/btv1b60004002
Transcriptions: http://books.google.com/books?id=P5BJAA ... pg=PAPA501
http://books.google.com/books?id=dLMGAA ... BS.RA1-PA3
Wiktenauer article: http://wiktenauer.com/wiki/Bem_cavalgar_(MS_Portugais_5)