http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Volumes <11-15 > edited by Jesús Goméz and Paloma Cuenca; v. <33- > edited by Donald McGrady; volume 37-<38 > lack editor statement.
Volumes <13-15, 33-34, 36-38 > published by Fundación José Antonio de Castro.
Bibliographical references included in the introduction of some volumes.