BioStor
 | A contribution to the ornithology of Ecuador (1922) Arkiv For Zoologi Stockholm 14: 1-87 |
 | Birds of the Santa Marta region of Colombia: A study in altitudinal distribution W E Clyde Todd and Melbourne Armstrong Carriker Jr. (1922) Annals of The Carnegie Museum 14: 1-582 |
 | A new subspecies of Greater Antillean bullfinch Loxigilla violacea from the Caicos Islands with notes on other populations (1986) Bulletin of The British Ornithologists' Club 106: 156-161 |
 | CATAMBLYRHYNCHUS AND PARADOXORNIS AN UNREMARKED INSTANCE OF CONVERGENCE IN BILL MORPHOLOGY FOR FEEDING ON BAMBOO S L Olson (1986) Bulletin of The British Ornithologists' Club 106: 161-163 |