http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
2 volumes : illustrations, maps ; 25 cm.
"Included in the present book is the period covered in my earlier works, Ironclads in action and the Downfall of Spain, but everything that appeared in those books has been re-examined critically in the light of fresh evidence, and almost every page has been compleely rewritten."--Pref., v.l, p. vii.
Bibliography: volume 1, pages 309-317; volume 2, pages 325-331.