@misc{indiciaef0f67f116d62,
  title = {Copyright Record Book Class R Vol 67 PART 1; Renewal Numbers 66000-66499; 1950},
  year = {1950},
  url = {https://www.loc.gov/item/coprecbooks-00497913044/},
  note = {Source identifier: coprecbooks-00497913044}
}