@article{642460,
      recid = {642460},
      author = {Douglass, William,},
      title = {A practical essay concerning the small pox. By William  Douglass, M.D [electronic resource].},
      publisher = {Printed for W. Innys at the West End of St. Paul's,},
      address = {London :},
      pages = {57p. ;},
      year = {1730},
      note = {Reproduction of original from Trinity College Library  Watkinson Collection.},
      url = {http://library.usi.edu/record/642460},
}