Cross reference
Joshua 15:15
15 From there he went up against the people of Debir: (now the name of Debir before that was Kiriath-sepher.)
Joshua 10:38
38 And Joshua and all Israel with him went on to make an attack on Debir;
Joshua 10:3
3 So Adoni-zedek, king of Jerusalem, sent to Hoham, king of Hebron, and to Piram, king of Jarmuth, and to Japhia, king of Lachish, and to Debir, king of Eglon, saying,
Judges 1:11-13
11 And from there he went up against the people of Debir. (Now the name of Debir in earlier times was Kiriath-sepher.)
12 And Caleb said, I will give Achsah, my daughter, as wife to the man who overcomes Kiriath-sepher and takes it.
13 And Othniel, the son of Kenaz, Caleb's younger brother, took it; so he gave him his daughter Achsah for his wife.