http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a regional study of the economic development of Minneapolis and St. Paul
At head of title: Research publications of the University of Minnesota.
Published also as thesis (Ph.D.) University of Minnesota, 1924, under title: The development of the twin cities (Minneapolis and St. Paul) as a metropolitan market.
Studies in the social sciences (University of Minnesota) ; no. 18