@misc{indiciaec95150cb5bcd,
  title = {Recent observations on Maryland birds},
  author = {R. E. Stewart and C.S. Robbins},
  year = {1947},
  doi = {10.2307/4080546},
  url = {https://pubs.usgs.gov/publication/5220109},
  note = {Source identifier: 5220109}
}