Tham khảo Ưng ngỗng mào

  • Dalgleish, R.C. (ed.) (2003): Birds and their associated Chewing Lice: Accipitridae. Version of 2003-AUG-30. Truy cập 2009-JUN-23.
  • Elbel, Robert E. & Price, Roger D. (1973): Three new Oriental and New Guinean Degeeriella (Mallophaga: Philopteridae). Pacific Insects 15(1): 95-101. PDF fulltext
  • Grimmett, Richard; Inskipp, Carol, Inskipp, Tim & Byers, Clive (1999): Birds of India, Pakistan, Nepal, Bangladesh, Bhutan, Sri Lanka, and the Maldives. Princeton University Press, Princeton, N.J..ISBN 0-691-04910-6
  • Inskipp, Carol; Inskipp, Tim & Sherub (2000): The ornithological importance of Thrumshingla National Park, Bhutan. Forktail 14: 147-162. PDF fulltext
  • Singh, A.P. (2002): New and significant records from Dehra Dun valley, lower Garhwal Himalayas, India. Forktail 18: 151-153. PDF fulltext