Bible verses about Urim and Thummim
(From Nave's Topical Bible)

-(Signifying light and perfection) -In the breastplate Exodus 28:30; Leviticus 8:8 -Eleazar to ask counsel for Joshua, after the judgment of Numbers 27:21 -Only priests could interpret Deuteronomy 33:8; Ezra 2:63; Nehemiah 7:65 -Israelites consult Judges 1:1; 20:18, 23 -Withheld the answer from King Saul I Samuel 28:6

Find more Bible verses about Urim and Thummim:
Urim and Thummim {Torrey's}
Urim and Thummim {Forerunner}