1. Alexander, D. J.;Bevan, B. J.;Lister, S. A.;Bracewell, C. D., 1989: Chlamydia infections in racing pigeons in Great Britain: A retrospective serological survey. Vet. Rec.125, 239.
2. Andersen, A. A.; Tappe, J. P., 1989: Chlamydiosis S. 63–69 in:Purchase, H. G., Arp, L. H., Domermuth, C. H., Pearson, J. E. (Eds.) A laboratory manual for the isolation and identification of avian pathogens. Third Edition. Kendall/Hunt publishing company.
3. Bacterial and Viral Zoonoses. Report of a who expert committee with the participation of FAO. Technical Report Series/682,Who, Geneva, 1982.
4. Bracewell, C. D.;Bevan, B. J., 1986: Chlamydiosis in birds in Great Britain. 1. Serological reactions to chlamydia in birds sampled between 1974 and 1983. J. Hyg., Camb.96, 447–451.
5. Brand, C., 1989: Chlamydial infections in free-living birds. J. Am. Vet. Med. Ass.195, 1561–1564.