@article{DA,
      author = {Unknown},
      url = {http://library.usi.edu/record/1528052},
      title = {Heilman monument and gravesite in Evansville, Indiana},
      publisher = {University of Southern Indiana},
      abstract = {Heilman grave monument in Oak Hill Cemetery.},
      number = {DA},
      recid = {1528052},
      address = {n.d.},
}