[
Alström P, Colston P & Lewington I 1992: Guide des oiseaux accidentels et rares en Europe. Delachaux et Niestle. Neuchȃtel – Paris.
]Search in Google Scholar
[
Beaman M & Madge S 1998: Guide encyclopédique des oiseaux du Paléarctique occidental. Nathan.
]Search in Google Scholar
[
Cramp S, Simmons KEL 1980: Handbook of the birds of Europe, the Middle East and North Africa. Vol 2 Oxford–London–New-York.
]Search in Google Scholar
[
Dementiev GP, Meklenburtsev RN & Sudilovskaya AM 1951: Ptitsy Sovetskogo Soyuza. Tom 1. Moskva, Sovietskaya nauka [Birds of Soviet Union. Volume 1. Moscou, Soviet science]. [In Russsian].
]Search in Google Scholar
[
Dombrovski VC & Demongin L 2006: Geograficheskaya izmenchivost nekotoryh diagnosticheskih priznakov bolshogo podorlika (Aquila clanga) [On geographic variability of some diagnostic characteristics of the Greater Spotted Eagle (Aquila clanga)]. Ornithologia 33: 42-52. [In Russian with English summary].
]Search in Google Scholar
[
Ferguson-Lees J & Christie D 2001: Raptors of the World. Christopher Helm. London.
]Search in Google Scholar
[
Forsman D 1999: The raptors of Europe and the Middle East. A Handbook of Field Identification. T & A D Poyser. London.
]Search in Google Scholar
[
Forsman D 2016: Flight identification of raptors of Europe, North Africa and the Middle East. Christopher Helm. London.
]Search in Google Scholar
[
Karyakin IV, Serova SV, Bachtin RF, Vazhov SV, Nikolenko EG, Shnayder EP, Shtol DA, Bekmansurov RH, Baydukov SN, Pisarevskiy SV & Ebel AL 2014: Registratsii podorlikov svetloj morfy v Yuzhnoj Sibiri, Rossiya [Observations of the Palest Morph of the Greater Spotted Eagle in Southern Siberia, Russia]. Raptors conservation 28: 96-99. [In Russian with English summary]
]Search in Google Scholar
[
Stegmann B 1937: Fauna Sovetskogo Soyuza. Ptitsy. Tom 1. Sokoloobraznye. [Fauna of Soviet Union. Birds. V.1, n 5. Falconiformes. Moscou-Leningrad]. [In Russian]
]Search in Google Scholar
[
Svensson L, Mullarney K & Zetterstrom D 2009: Collins bird guide. 2nd edition. HarperCollins Publishers, London.
]Search in Google Scholar