Joshua 9:3
"And when the inhabitants of Gibeon heard what Joshua had done unto Jericho and to Ai,"
Cross References (ranked by relevance)
Joshua 10:2
That they feared greatly, because Gibeon was a great city, as one of the royal cities, and because it was greater than Ai, and all the men thereof were mighty.
Joshua 9:17
And the children of Israel journeyed, and came unto their cities on the third day. Now their cities were Gibeon, and Chephirah, and Beeroth, and Kirjathjearim.