Deuteronomy 20:20
Only those trees which you are certain are not used for food may be cut down and put to destruction: and you are to make walls of attack against the town till it is taken.
Deuteronomy 1:28
Where are we going up? Our brothers have made our hearts feeble with fear by saying, The people are greater and taller than we are, and the towns are great and walled up to heaven; and more than this, we have seen the sons of the Anakim there.
2 Chronicles 26:15
And in Jerusalem he made machines, the invention of expert men, to be placed on the towers and angles of the walls for sending arrows and great stones. And his name was honoured far and wide; for he was greatly helped till he was strong.
Ecclesiastes 9:14
There was a little town and the number of its men was small, and there came a great king against it and made an attack on it, building works of war round about it.
Isaiah 37:33
For this cause the Lord says about the king of Assyria, He will not come into this town, or send an arrow against it; he will not come before it with arms, or put up an earthwork against it.
Jeremiah 6:6
For this is what the Lord of armies has said: Let trees be cut down and an earthwork be placed against Jerusalem: sorrow on the false town! inside her there is nothing but cruel ways.
Jeremiah 33:4
For this is what the Lord, the God of Israel, has said about the houses of this town and the houses of the kings of Judah, which have been broken down to make earthworks and ...;
Ezekiel 17:17
And Pharaoh with his strong army and great forces will be no help to him in the war, when they put up earthworks and make strong walls for the cutting off of lives: