From BiblePortal Wikipedia

Hastings' Dictionary of the Bible [1]

El-Bethel . The name which Jacob is said to have given to the scene of his vision on his way back from Paddau-aram,   Genesis 35:7 (P [Note: Priestly Narrative.] ?).

Holman Bible Dictionary [2]

 Genesis 35:7 Genesis 28:10-19God Of The Fathers

Easton's Bible Dictionary [3]

 Genesis 31:13 35:7

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [4]

(Hebrews El Beyth-El, אֵל בֵּית 9 אֵל , God Of Bethel; Sept. simply שעאבּ »ל , Vulg. Domus Dei), the name given by Jacob to the altar erected by him as a sanctuary ( Genesis 35:7), on the spot where he had formerly experienced the vision of the mystic ladder (chap.  Genesis 31:13;  Genesis 28:18). (See Bethel).