%0 Generic %T 1990 census of population and housing. Population and housing unit counts. Delaware %U http://SK8ES4MC2L.search.serialssolutions.com/?sid=sersol&SS_jc=TC_004913454&title=1990%20census%20of%20population%20and%20housing.%20Population%20and%20housing%20unit%20counts.%20Delaware