@misc{indiciae350871a47e59,
  title = {Copyright Record Book Class R Vol 43 PART 1; Renewal Numbers 42000-42499; 1948-1949},
  year = {1948},
  url = {https://www.loc.gov/item/coprecbooks-00497912593/},
  note = {Source identifier: coprecbooks-00497912593}
}