1 Samuel 7:9-10

7:9 So Samuel took a nursing lamb and offered it as a whole burnt offering to the Lord. Samuel cried out to the Lord on Israel’s behalf, and the Lord answered him.

7:10 As Samuel was offering burnt offerings, the Philistines approached to do battle with Israel. But on that day the Lord thundered loudly against the Philistines. He caused them to panic, and they were defeated by Israel.

Joshua 10:12

10:12 The day the Lord delivered the Amorites over to the Israelites, Joshua prayed to the Lord before Israel:

“O sun, stand still over Gibeon!

O moon, over the Valley of Aijalon!”

Psalms 99:6

99:6 Moses and Aaron were among his priests;

Samuel was one of those who prayed to him.

They prayed to the Lord and he answered them.

Jeremiah 15:1

15:1 Then the Lord said to me, “Even if Moses and Samuel stood before me pleading for these people, I would not feel pity for them! Get them away from me! Tell them to go away!

James 5:16-18

5:16 So confess your sins to one another and pray for one another so that you may be healed. The prayer of a righteous person has great effectiveness. 5:17 Elijah was a human being like us, and he prayed earnestly that it would not rain and there was no rain on the land for three years and six months! 5:18 Then he prayed again, and the sky gave rain and the land sprouted with a harvest.