1. BankowskiR.A. and PageL.A. (1959): Studies of two epornitics of ornithosis caused by agent of low virulence - Am. J. Vet. Res. 20: 935–940.
2. BrandC.J. (1989): Chlamydial infections in free-living birds - Amer. Vet. Med. Assoc. 195: 1531–1535.
3. BukhartR.Z. and PageL.A. (1971): Chlamydiosis ornithosis — psittacosis. In: Davis J.V., Anderson R.C., Karstad L., Trainer P.O., (eds). Infections and parasitic diseases of wild birds - Iowa State Univ. Press. Ames. p. 118–140.
4. DaviesE.L. (1939): The composition of the crop milk of pigeons - Bioch. J. 33: 898–901.
5. DavisD.E., DelaplaneJ.P. and WatkinsJ.R. (1957): The role of turkey eggs in the transmission of ornithosis - Am. J. Vet. Res. 18: 409–413.