@misc{indiciaedec5520ebf21,
  title = {Copyright Record Book Class R Vol 44 PART 1; Renewal Numbers 43000-43499; 1948-1949},
  year = {1948},
  url = {https://www.loc.gov/item/coprecbooks-00497912611/},
  note = {Source identifier: coprecbooks-00497912611}
}