1.
The Collected Works of Gonzalo de Berceo in the English Translation
by De Berceo, Gonzalo, Bartha,...
ISBN: 9780866983730
2.
Vocabulario de los Milagros de Nuestra Senora : De Gonzalo de Bercea
by Bartha, Jeannie K., Parent,...
ISBN: 9780835705776
List Price: $63.30