@article{61937,
      author = {Johnstone, Kathleen (Yerger)},
      url = {http://library.usi.edu/record/61937},
      title = {Sea treasure; a guide to shell collecting.},
      publisher = {Houghton Mifflin,},
      recid = {61937},
      pages = {xii, 242 p.},
      address = {Boston,},
      year = {1957},
}