Twelfth breeding-bird census. 5. Apple orchards
P. F. Springer, R. E. Stewart
1948, Audubon Field Notes (2) 227-229
Birds of the month
C.S. Robbins
1948, Wood Thrush (3) 39
[Obituary] Robert Ward Allen, 1913-1943
W. H. Stickel, R. E. Stewart
1948, Journal of Wildlife Management (12) 218-219
[Book review] The Land and Wildlife, by Edward H. Graham, Oxford University Press, New York, 1947
D.L. Allen
1948, Wood Thrush (3) 38
Hazards associated with handling the new organic phosphates
J.C. Ward, J.B. DeWitt
1948, Pests and Their Control (16) 34
The ecological distribution of birds
R. E. Stewart
1948, Maryland Naturalist (18) 23-29
The season--November and December, 1947
C.S. Robbins
1948, Maryland Birdlife (4) 1-2
Birds of the month
C.S. Robbins
1948, Wood Thrush (3) 50-51
Birds of the month
C.S. Robbins
1948, Wood Thrush (3) 67
Maryland Christmas bird counts, 1947
C.S. Robbins
1948, Maryland Birdlife (4) 3-9
Birds of the season
C.S. Robbins
1948, Wood Thrush (4) 23-24
Birds of the month
C.S. Robbins
1948, Wood Thrush (3) 75-76
Distribution and migration program of the Fish and Wildlife Service
C.S. Robbins
1948, Passenger Pigeon (10) 150-151
May Day regional census
C.S. Robbins
1948, Wood Thrush (3) 70-75
Preliminary map showing breeding distribution of the whip-poor-will
C.S. Robbins
1948, Audubon Field Notes (2) 192
Winter bird-population study. 11. Upland oak forest, pine-oak forest, bottomland forest and forest clearing
R. E. Stewart
1948, Audubon Field Notes (2) 158-159
Preliminary map showing breeding distribution of the chuck-will's-widow
R. E. Stewart
1948, Audubon Field Notes (2) 190
Preliminary map showing the breeding distribution of the vesper sparrow
C.S. Robbins
1948, Audubon Field Notes (2) 147
The season--January and February, 1948
C.S. Robbins
1948, Maryland Birdlife (4) 12-13
The season--May, June, July, August, 1948
C.S. Robbins
1948, Maryland Birdlife (4) 23-24
The season--March and April, 1948
C.S. Robbins
1948, Maryland Birdlife (4) 18-21
Twelfth breeding-bird census. 19. Immature loblolly-shortleaf pine stand
P. F. Springer, R. E. Stewart
1948, Audubon Field Notes (2) 239
Twelfth breeding-bird census. 2. Tidal marshes
P. F. Springer, R. E. Stewart
1948, Audubon Field Notes (2) 223-226
The season--September-October, 1948
C.S. Robbins
1948, Maryland Birdlife (4) 28-30
Twelfth breeding-bird census. 21. Second-growth river swamp
P. F. Springer, R. E. Stewart
1948, Audubon Field Notes (2) 240-241