@article{DA,
      recid = {1510697},
      author = {University of Southern Indiana},
      title = {William Simmons Collection},
      publisher = {University of Southern Indiana},
      address = {1968},
      number = {DA},
      abstract = {The William Simmons consists of commemorative coins for  the first 37 presidents of the United States.},
      url = {http://library.usi.edu/record/1510697},
}