Procurar versións

No caso de non amosarse as URL anteriores, estas son as webs para facer click:

1. http://apoi.museodopobo.gal/107/
2. https://depts.washington.edu/hisprom/optional/balladaction.php?igrh=0234%20&%20publisher=TOL%20II%201991
3. https://archive.org/stream/romancespopulare00vicuuoft/romancespopulare00vicuuoft_djvu.txt