Cross reference
2 Samuel 12:26
26 And Joab fighteth against Rabbah of the Bene-Ammon, and captureth the royal city,
Deuteronomy 3:11
11 for only Og king of Bashan had been left of the remnant of the Rephaim; lo, his bedstead `is' a bedstead of iron; is it not in Rabbath of the sons of Ammon? nine cubits its length, and four cubits its breadth, by the cubit of a man.
1 Chronicles 20:1-3
1 And it cometh to pass, at the time of the turn of the year -- at the time of the going out of the messengers -- that Joab leadeth out the force of the host, and destroyeth the land of the sons of Ammon, and cometh in and beseigeth Rabbah -- David is abiding in Jerusalem -- and Joab smiteth Rabbah, and breaketh it down.
2 And David taketh the crown of their king from off his head, and findeth it `in' weight a talent of gold, and in it a precious stone, and it is on the head of David: and spoil of the city he hath brought out very much,
3 and the people who `are' in it he hath brought out, and setteth to the saw, and to cutting instruments of iron, and to axes; and thus doth David to all cities of the sons of Ammon, and David turneth back, and all the people, to Jerusalem.
2 Samuel 11:25
25 And David saith unto the messenger, `Thus dost thou say unto Joab, Let not this thing be evil in thine eyes; for thus and thus doth the sword devour; strengthen thy warfare against the city, and throw it down -- and strengthen thou him.'