@misc{indiciae09819d3822c7,
  title = {Amish demography.},
  author = {H E Cross and V A McKusick},
  year = {1970},
  doi = {10.1080/19485565.1970.9987850},
  url = {https://pubmed.ncbi.nlm.nih.gov/5538247/},
  note = {Source identifier: 5538247}
}