1- Baharmast, J. Rad, M.A. and Veshkini, A. (1999). veterinary Radiology. Tehran University press. Pp 514-515.
2- Blair, J. (2013). Bumblefoot; A Comparison of Clinical Presentation and Treatment of Pododermatitis in Rabbits, Rodents, and Birds. Vet. Clin. Exot. Anim Vol, 16, pp: 715–735.
3- Fraga-Manteiga, E. Eatwell, K. Smith, S. Mancinelli, E and Schwarz, T. (2013). Traumatic atlanto-occipital subluxation and cranial cervical block vertebrae in a Golden Eagle (Aquila chrysaetos). Vlaams Diergeneeskundig Tijdschrift; Vol, 82, pp: .211-215.
4-Gupta, R. and Kanaujia, A. (2012). Ecology of Eagles in Bundelkhand Region, India. Vet. World, Vol, 5, No,1 pp: 31-35
5- Keymer, I.F. (1972). Diseases of Birds of Prey. Veterinary Record; 1972; 90: 579-594.
6- Remple, D.J. (2006). A Multifaceted Approach to the Treatment of Bumblefoot in Raptors. Journal of Exotic Pet Medicine, Vol, 15, No, 1, pp: 49-55.
7- Rodriguez-Lainz, A.J. Hird, D.W. Kass, P.H. and Brooks, D.L. (1997). Incidence and risk factors for bumblefoot (pododermatitis) in rehabilitated raptors. Preventive Veterinary Medicine, Vol, 31, pp: 175-184.
8- Swayne, D.E. Glisson, J.R. and McDougald, L.R. Nolan, L.K. Suarez, L.D. Nair V. (2013). Diseases of Poultry. 13th Edition, A John Wiley & Sons, Inc., Publication, Iowa, USA.