@misc{indiciae8d3d431dab6e,
  title = {[Book review] A Guide to Bird Finding East of the Mississippi (2nd edition), by Olin Sewall Pettingill, Jr},
  author = {P.W. Sykes},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/5220923},
  note = {Source identifier: 5220923}
}