Biblioteca del Congreso de los EEUU http://id.loc.gov/authorities/names/n84225366
VIAF http://viaf.org/viaf/9864337
Sudoc http://www.idref.fr/028574443
ISNI http://isni-url.oclc.nl/isni/0000000108685786
Biblioteca Nacional Francesa http://data.bnf.fr/12038290
Fuente consultada Rural change and royal finances in Spain at the end of the old regime, 1989