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Those are the only studies I was able to find. Are there any more?
Eye Color
dark gray=brown and hazel
mixed=gray
light=blue
Eye color map of Spain:
Light eyes by different definitions in percentages in Spain regions:
Spain and France compared (relatively small sample size for Spain):
Sources:
A book by Luis de Hoyos Sainz
https://sirio.ua.es/libros/BEducacio...a_01/index.htm
His study in German Anthropological publication
https://archive.org/stream/bub_gb_7l.../n765/mode/2up
France, Belgium, Italy and Spain compared:
There is definitely one other study. It is by Sanchez Fernandez "El pueblo Espagnol" sourced by Carelton Coon in his book, however I can't find its contents anywhere online. If anyone has anything else, please post it here. Thanks.
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