@misc{indiciae87bc44d3506e,
  title = {Copyright Record Book Class R Vol 91 PART 2; Renewal Numbers 90500-90999; 1952},
  year = {1952},
  url = {https://www.loc.gov/item/coprecbooks-0049787015A/},
  note = {Source identifier: coprecbooks-0049787015A}
}