TY  - RPRT
TI  - A Field List of Birds of the District of Columbia Region
AU  - J.W. Aldrich
AU  - I.R. Barnes
AU  - R.T. Peterson
AU  - C.S. Robbins
AU  - R. E. Stewart
AU  - R. Tousey
PY  - 1947
UR  - https://pubs.usgs.gov/publication/5200080
ID  - 5200080
ER  -