@misc{indiciae9a773e1fe464,
  title = {Copyright Record Book Class R Vol 60 PART 1; Renewal Numbers 59000-59500; 1950},
  year = {1950},
  url = {https://www.loc.gov/item/coprecbooks-0049791291A/},
  note = {Source identifier: coprecbooks-0049791291A}
}