Psalm 99:6
"Moses and Aaron among his priests, and Samuel among them that call upon his name; they called upon the LORD, and he answered them."
Cross References (ranked by relevance)
Then said the LORD unto me, Though Moses and Samuel stood before me, yet my mind could not be toward this people: cast them out of my sight, and let them go forth.
And the LORD said unto Moses, Wherefore criest thou unto me? speak unto the children of Israel, that they go forward:
And he cried unto the LORD; and the LORD shewed him a tree, which when he had cast into the waters, the waters were made sweet: there he made for them a statute and an ordinance, and there he proved them,
And it came to pass on the morrow, that Moses said unto the people, Ye have sinned a great sin: and now I will go up unto the LORD; peradventure I shall make an atonement for your sin.