Numbers 13:2
"Send men out to search the land of Canaan, which I give unto the children of Israel: of every tribe of their fathers, a man; and let them all be such as are rulers among them."
Numbers 32:8
This did your fathers, when I sent them from Kadesh Barnea to see the land.
Deuteronomy 1:22-25
And then ye came unto me every one and said, 'Let us send men before us, to search us out the land and to bring us word again, both what way we shall go up by, and unto what cities we shall come.'
Exodus 18:25
and chose active men out of all Israel and made them heads over the people, captains over thousands, over hundreds, over fifty and over ten.
Numbers 1:4
And with you shall be, of every tribe, a head man in the house of his father.
Numbers 11:16
And the LORD said unto Moses, "Gather unto me seventy of the elders of Israel, which thou knowest that they are the elders of the people and officers over them, and bring them unto the tabernacle of witness, and let them stand there with thee.
Numbers 34:18
And ye shall take also a lord of every tribe to divide the land,
Deuteronomy 1:15
And then I took the heads of your tribes, men of wisdom and that were expert, and made them rulers over you: captains over thousands and over hundreds, over fifty and over ten, and officers among your tribes.
Joshua 2:1-24
Then Joshua the son of Nun sent out of Shittim two spies, secretly, saying, "Go and view the land and also Jericho." And they went, and came unto a harlot's house, named Rahab, and lodged there.