@misc{indiciae4613164e53ad,
  title = {Copyright Record Book Class R Vol 91 PART 1; Renewal Numbers 90000-90499; 1952},
  year = {1952},
  url = {https://www.loc.gov/item/coprecbooks-0049787001A/},
  note = {Source identifier: coprecbooks-0049787001A}
}