@misc{indiciae510dbf6a22d9,
  title = {Copyright Record Book Class R Vol 77 PART 2; Renewal Numbers 76500-76999; 1951},
  year = {1951},
  url = {https://www.loc.gov/item/coprecbooks-00497913238/},
  note = {Source identifier: coprecbooks-00497913238}
}