@misc{indiciae187d10b95096,
  title = {History of North American pinnipeds: A monograph of the walruses, sea-lions, sea-bears, and seals of North America},
  author = {Ferdinand Vandeveer Hayden and Joel Asaph Allen},
  year = {1880},
  doi = {10.3133/70039637},
  url = {https://pubs.usgs.gov/publication/70039637},
  note = {Source identifier: 70039637}
}