Exodus 36:20

And for the uprights of the House they made boards of hard wood.

Exodus 25:5

And sheepskins coloured red, and leather, and hard wood;

Exodus 25:10

And they are to make an ark of hard wood; two and a half cubits long, and a cubit and a half wide and high.

Exodus 26:15-29

And you are to make upright boards of hard wood for the House.

Exodus 40:18-19

Moses put up the House; placing its bases in position and lifting up its uprights, putting in the rods and planting the pillars in their places;

Numbers 25:1

Now when Israel was living in Shittim the people became false to the Lord, doing evil with the daughters of Moab:

Deuteronomy 10:3

So I made an ark of hard wood, and had two stones cut like the others, and went up the mountain with the stones in my hands.

Treasury of Scripture Knowledge

Summary

And he made boards for the tabernacle of shittim wood, standing up.

Bible References

Boards

Exodus 26:15
And you are to make upright boards of hard wood for the House.
Exodus 40:18
Moses put up the House; placing its bases in position and lifting up its uprights, putting in the rods and planting the pillars in their places;

Shittim wood

Exodus 25:5
And sheepskins coloured red, and leather, and hard wood;
Numbers 25:1
Now when Israel was living in Shittim the people became false to the Lord, doing evil with the daughters of Moab:
Deuteronomy 10:3
So I made an ark of hard wood, and had two stones cut like the others, and went up the mountain with the stones in my hands.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain