1. Almagro Gorbea, M. (2018): Los Celtas. Imaginario, mitos y literatura en España. Córdoba, Almuzara.
2. Cazacu-Davidescu, M. (2016): Birds Representations in Central European Prehistory. En Ursu, C.-E. Poruciuc, y Lazarovici, A. C.-M. (Eds.) Between Earth and Heaven. Symbols and Signs, (Papers presented at the International Symposium “From Symbols to Signs. Signs, Symbols, Rituals in Sanctuaries”, Suceava, Romania, 11-13 September 2015): 45-58. Suceava, Karl A. Romstorfer.
3. Eastham, A. (2021): Man and bird in the Palaeolithic of Western Europe. Oxford, Archaeopress.
4. Finlayson, S., Finlayson, G., Guzman, F. G. y Finlayson, C. (2019): Neanderthals and the cult of the Sun Bird, Quaternary Science Reviews, 217 (1): 217-224.
5. Frie, A. C. (2018): Extraordinary Creatures: The Role of Birds in Early Iron Age Slovenia, Environmental Archaeology, 24 (4):400-410.