Borchert, John R.Henderson, James MitchellLoeks, C. David2013-11-272013-11-271961-04Borchert, John R., James M. Henderson, and C. David Loeks. The Upper Midwest Economic Study : An Urban Research Prospectus. Minneapolis: Upper Midwest Economic Study, 1961.https://hdl.handle.net/11299/160704en-USBook