Preliminary map showing the winter distribution of the red crossbill
C.S. Robbins
1947, Audubon Field Notes (1) 182
The season--September and October, 1947
C.S. Robbins
1947, Maryland Birdlife (3) 78-83
Recent observations on Maryland birds
R. E. Stewart, C.S. Robbins
1947, The Auk (64) 266-274
In the course of working on a study of the 'Geographical and Ecological Distribution of the Birds of Maryland,' a considerable number of records of occurrence have been obtained, which have helped to clarify the status of many Maryland birds. Some of these records are new for the state...
Eleventh breeding-bird census. 22. Virgin central hardwood deciduous forest
R. E. Stewart, C.S. Robbins
1947, Audubon Field Notes (1) 211-212
The distribution of Maryland birds
R. E. Stewart
1947, Maryland Birdlife (3) 71-73
Eleventh breeding-bird census. 13. Damp deciduous scrub with numerous standing dead trees
R. E. Stewart, M. Karplus, C.S. Robbins
1947, Audubon Field Notes (1) 200
September in review
C.S. Robbins
1947, Wood Thrush (3) 9-10
May in review
C.S. Robbins, D.M. Thatcher
1947, Wood Thrush (2) 54-55
The distribution of Maryland birds
R. E. Stewart
1947, Maryland Birdlife (3) 55-57
[Book review] Preliminary List of the Birds of Maryland and the District of Columbia, compiled and annotated by Irving E. Hampe and Haven Kolb
C.S. Robbins
1947, Wood Thrush (3) 3
Eleventh breeding bird census. 14. Dry deciduous scrub
C.S. Robbins, R. E. Stewart, M. Karplus
1947, Audubon Field Notes (1) 200-201
Keeping tab on pheasants
J.P. Linduska
1947, Michigan Conservation (16) 8-9,
The home range and wanderings of snakes
W. H. Stickel, J.B. Cope
1947, Copeia (1947) 127-136
No abstract available....
Christmas bird counts - 1946. Bowie, Md
D.L. Allen, M.M. Carpenter, E. Ediger, L.C. Goldman, A.L. Nelson, C.S. Robbins, R. E. Stewart, F.M. Uhler
1947, Maryland Birdlife (3) 1
Christmas bird counts -1946. Port Tobacco (Charles Co.), Md
D.L. Allen, I.N. Gabrielson, A.L. Nelson, R. E. Stewart, F.M. Uhler
1947, Maryland Birdlife (3) 2-3
Gamebird propagation--its beginning, growth, and future
R. B. Nestler
1947, Pennsylvania Game News (18) 10-40
Counting the birds
J.W. Aldrich
1947, Audubon Magazine (49) 214-220
Christmas bird counts - 1946. Southeastern Worcester County, Maryland
J.W. Aldrich, D.L. Allen, I.R. Barnes, J.H. Buckalew, M.M. Carpenter, I.N. Gabrielson, L.C. Goldman, R.B. Overington, R.T. Peterson, C.S. Robbins, R. E. Stewart
1947, Maryland Birdlife (3) 3-4
October in review
C.S. Robbins
1947, Wood Thrush (3) 15
Birds of the month
C.S. Robbins
1947, Wood Thrush (3) 23
The effects of DDT on wildlife
J.P. Linduska
1947, Shade Tree (20) 1-4
Eleventh breeding-bird census. 23. Mature deciduous flood plain forest
E. Baldwin, E. Cooley, E.G. Davis, H. Johnston, G. Mersereau, J. Mersereau, C.S. Robbins, N. Shelton, E.J. Stivers, J.W. Taylor Jr., D.M. Thatcher
1947, Audubon Field Notes (1) 212-213
Preliminary map showing the United States breeding distribution of the black skimmer
C.S. Robbins
1947, Audubon Field Notes (1) 134
Eleventh breeding-bird census. 35. Mature deciduous flood plain forest with openings
P. Burch, E. Cooley, H. Johnston, W. Kirsher, C.S. Robbins, E.J. Stivers, D.M. Thatcher
1947, Audubon Field Notes (1) 220-221
Open season, 1947
C.S. Robbins
1947, Wood Thrush (3) 17-18