| Type |  Book |
| ชื่อเรื่อง | Atlas of the breedign birds of Maryland and the District of Columbia / Chandler S. Robbins, senior editor ;Eirik A. T. Blom, project coordinator |
| ISBN | 0822939231 |
| | 0822939231 (hardcover) |
| | 9780822939238 |
| | 9780822939238 (hardcover) |
| พิมพลักษณ์ | Pittsburgh : University of Pittsburgh Press, c1996 |
| รูปเล่ม | xx, 479 p. : ill., maps |
| หัวเรื่อง | Birds --Maryland [] |
| | Bird populations --Maryland [] |
| | Bird populations --Washington (D.C.) [] |
| | Birds --Maryland --Geographical distribution --Maps [] |
| | Birds --Washingto (D.c.) [] |
| | Birds --Washington (D.C.) [] |
| | Birds --Washington (D.C.) --Geographical distribution --Maps [] |