"study number","owner","title","investigators","doi","time period"
"03515","ICPSR","School District Geographic Reference File, 1969-1970  ","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR03515.v1","1970"
"03516","ICPSR","School District Geographic Reference File, 1973-1974  ","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR03516.v1","1974"
"07507","ICPSR","Selected County-Level Variables from the Fourth Count 1970 U.S. Census of Population and Housing","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR07507.v1","1970"
"09430","ICPSR","Southern Agricultural Households in the United States, 1880","Sutch, Richard; Ransom, Roger","http://dx.doi.org/10.3886/ICPSR09430.v1","1880"
"06951","ICPSR","Survey of Income and Program Participation (SIPP) 1992 Panel, Waves 1-7 Longitudinal File","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR06951.v1","1993"
"07825","ICPSR","United States Census Data, 1900: Public Use Sample","Preston, Samuel H.; Higgs, Robert L.","http://dx.doi.org/10.3886/ICPSR07825.v1","1900"
"08353","ICPSR","United States Microdata Samples Extract File, 1940-1980:  Demographics of Aging","Inter-university Consortium for Political and Social Research","http://dx.doi.org/10.3886/ICPSR08353.v2","1980"
"07568","ICPSR","United States Southern Cities in 1870 and 1880:  A Study of Individuals and Families","Goldin, Claudia","http://dx.doi.org/10.3886/ICPSR07568.v1","1880"
"03525","ICPSR","User's Manual for 1970 Census Fourth Count (Population):  School District Data Tape      ","United States Department of Education. National Center for Education Statistics","http://dx.doi.org/10.3886/ICPSR03525.v1","1970"