Journal Article
Hog butchers no longer: 20 years of employment change in metropolitan Chicago
Israilevich, Philip R.; Mahidhara, Ramamohan (1991-03)
Economic Perspectives , Volume 15 , Issue Mar

Journal Article
Employment subcenters in Chicago: past, present, and future
McMillen, Daniel P. (2003-04)
The number of subcenters in the Chicago metropolitan area rose from 13 in 1980 to 32 in 2000. Whereas manufacturing jobs dominated subcenters in the past, the industry mix now closely resembles that of the overall metropolitan area.
Economic Perspectives , Volume 27 , Issue Q II