http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Twelfth census of the United States, taken in the year 1900
2 volumes : illustrations (some color), maps (some color) ; 30 cm.
William R. Merriam, director ; prepared under the supervision of William C. Hunt.