Materiála du geavahussii : Mexican Macaws : Comparative Osteology and Survey of Remains from the Southwest / Lyndon L. Hargrave.

Bajilčálus : Mexican Macaws : Comparative Osteology and Survey of Remains from the Southwest / Lyndon L. Hargrave.

Hildobáiki : Ii hildodieđu

Dilli : Dovdameahttun