Authors: J Fjeldså
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 4-11
Created: 2012-12-02, modified: 2012-12-02
Authors: M B Robbins | R S Ridgely
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 11-18
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Authors:
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 19-28
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Authors: A T Peterson
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 28-33
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Authors: A Dyrcz
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 33-35
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Authors:
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 38-40
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PHENOTYPES OF ADULT HYBRIDS BETWEEN HOUSE SPARROW PASSER-DOMESTICUS AND TREE SPARROW PASSER-MONTANUS
Authors: P J Cordero
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 44-46
Created: 2012-12-02, modified: 2012-12-02
Authors: J R King
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 46-49
Created: 2012-12-02, modified: 2012-12-02
Authors: G F Mees
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 49-51
Created: 2012-12-02, modified: 2012-12-02
Authors: M Louette
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 51-55
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Authors:
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 59-70
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Authors: J-C Thibault | A Varney
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 70-77
Created: 2012-12-02, modified: 2012-12-02
Authors: R A Beavers | D J Delaney | C W Leahy | G F Oatman
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 77-90
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Authors: T A Iii Parker |
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 91-92
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Authors: G Servat | D L Pearson
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 92-95
Created: 2012-12-02, modified: 2012-12-02
Authors: R B Payne
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 95-100
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Authors: K C Parkes | E C Dickinson
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 104-110
Created: 2012-12-02, modified: 2012-12-02
Authors: G R Graves
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 139-140
Created: 2012-12-02, modified: 2012-12-02
Authors: M R Browning
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 140-145
Created: 2012-12-02, modified: 2012-12-02
Authors: M Herremans | M Louette | J Stevens
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 145-146
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Authors:
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 147-149
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Authors: J M Cardoso Da Silva
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 152-155
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Authors: J A Dick
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 172
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Authors: M S Dhindsa | H K Saini
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 173-174
Created: 2012-12-02, modified: 2012-12-02
Authors: C J Bibby | Nevo A J Del
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 183-186
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Authors:
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 187-188
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Authors: M V Petry | G A Bencke | G N Klein
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 189-190
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Authors: C Hinkelmann | B Nicolai | R W Dickerman
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 190-199
Created: 2012-12-02, modified: 2012-12-02
Authors: J Cabot
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 199-209
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Authors: J F Walsh
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 209-215
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Authors: R Schodde
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 215-217
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Authors: S L Olson
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 222-225
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Authors: M P S Irwin
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 228-236
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Authors: J S Ash | G Nikolaus
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 237-239
Created: 2012-12-02, modified: 2012-12-02
Authors: P A Clancey
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, issue 2, pages 101-104
Created: 2012-07-01, modified: 2016-09-18
Authors: Theodore A Parker | Abel Castillo U. | Murray Gell-Mann | Omar Rocha O.
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, issue 3, pages 120-138
Created: 2012-12-02, modified: 2014-11-25
Authors: Carlos A Peres | Andrew Whittaker
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, issue 3, pages 156-171
Created: 2012-12-02, modified: 2014-11-25
Authors: P A Clancey
Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, issue 4, pages 217-222
Created: 2012-07-01, modified: 2016-09-18