@article{108674,
      author = {Johnson, Daniel M. and Campbell, Rex R.},
      url = {http://library.usi.edu/record/108674},
      title = {Black migration in America : a social demographic history  /},
      publisher = {Duke University Press,},
      recid = {108674},
      pages = {viii, 190 p. :},
      address = {Durham, N.C. :},
      year = {1981},
}