http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ed. by F. T. Arecchi and E. O. Schulz-Dubois.
Vols. 3 edited by M.L. Stitch; v. 4-5 edited by M. Bass and M.L. Stitch.
Vols. 3-<6 > published by North-Holland Pub. Co., Amsterdam, New York, and distributed by Elsevier North-Holland, New York.
Vol. 6 edited by W.B. Colson, C. Pellegrini and A. Renieri.