@Book{BVMC:620070,
author = {Bassompierre, François de},
title = {Ambassade du Mareschal de Bassompierre en Espagne, l'an 1621},
url = {https://www.cervantesvirtual.com/obra/ambassade-du-mareschal-de-bassompierre-en-espagne-lan-1621}
}