@misc{indiciaedf17aa1fb8a4,
  title = {Copyright Record Book Class R Vol 67 PART 2; Renewal Numbers 66500-66999; 1950},
  year = {1950},
  url = {https://www.loc.gov/item/coprecbooks-00497913056/},
  note = {Source identifier: coprecbooks-00497913056}
}