[Washington, D.C.] : Economic Research Service, U.S. Dept. of Agriculture, [2002]
OCLC
ocm56216208
Title from title screen (viewed on Aug. 17, 2004).
Mode of access: Internet from the ERS web site. Address as of 8/17/04: http://www.ers.usda.gov/data/povertyrates/PovListpct.asp?st=PA&view=Percent; current access is available via PURL.