@techreport{NBERw12043,
 title = "Urban Poverty, School Attendance, and Adolescent Labor Force Attachment: Some Historical Evidence",
 author = "Howard Bodenhorn",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12043",
 year = "2006",
 month = "February",
 URL = "http://www.nber.org/papers/w12043",
}