Gw mau tau Frigia: Tiy-. dari Dyeus

Bitinia: Tiyes dan sebuah kota Anatolia Kuno bernama Tium (Τιεῖον).

"Indo-European *Deiwos and Related Words" by Grace Sturtevant Hopkins, Language Dissertations number XII, December 1932 (supplement to Language, journal of the Linguistic Society of America).

Cook, Arthur Bernard. "The European Sky-God. III: The Italians." Folklore 16, no. 3 (1905): 260-332. www.jstor.org/stable/1253947.

Cook, Arthur Bernard. "Zeus, Jupiter, and the Oak. (Conclusion.)." The Classical Review 18, no. 7 (1904): 360-75. www.jstor.org/stable/694614.

Kerényi, Carl, and Christopher Holme. "The Word 'Zeus' and Its Synonyms, 'Theos' and 'Daimon'." In Archetypal Images in Greek Religion: 5. Zeus and Hera: Archetypal Image of Father, Husband, and Wife, 3-20. Princeton, N.J.: Princeton University Press, 1975. doi:10.2307/j.ctt13x190c.5.

Kretschmer, Paul. "Dyaus, Ζεὺς, Diespiter Und Die Abstrakta Im Indogermanischen." Glotta 13, no. 1/2 (1923): 101-14. www.jstor.org/stable/40265088.

Laroche, E. "Les Noms Anatoliens Du "dieu" Et Leurs Dérivés." Journal of Cuneiform Studies 21 (1967): 174-77. doi:10.2307/1359369.

Seebold, Elmar. "Der Himmel, Der Tag Und Die Götter Bei Den Indogermanen." Historische Sprachforschung / Historical Linguistics 104, no. 1 (1991): 29-45. www.jstor.org/stable/40849007.