@misc{indiciae037dfbcbfbcc,
  title = {Copyright Record Book Class R Vol 40 PART 2; Renewal Numbers 39500-39999; 1948},
  year = {1948},
  url = {https://www.loc.gov/item/coprecbooks-00497912544/},
  note = {Source identifier: coprecbooks-00497912544}
}