@misc{indiciaefe2e1b0db4d1,
  title = {Copyright Record Book Class R Vol 55 PART 2; Renewal Numbers 54500-54999; 1949},
  year = {1949},
  url = {https://www.loc.gov/item/coprecbooks-00497912830/},
  note = {Source identifier: coprecbooks-00497912830}
}