Joshua 9:21 records the princes' decision to keep the oath but assign the Gibeonites as servants — directly fulfilling verse 15.

In Joshua 2:12-19, the spies swear to spare Rahab, a parallel covenant with a foreigner that proves faithful, unlike the Gibeonite deception here.

In Joshua 6:22-25, Joshua fulfills the oath to Rahab, showing his commitment to covenants, which foreshadows his keeping the Gibeonite oath here.

Joshua 11:19 notes that only Gibeon made peace, confirming the uniqueness of this covenant among Canaanite cities.

Joshua 10:1 shows that news of this covenant with Gibeon triggered the coalition of Amorite kings against them.

Joshua 10:4 quotes the kings' reason for attacking Gibeon — 'for it hath made peace with Joshua' — directly referencing this covenant.

Joshua 10:6 has Gibeon appeal to Joshua based on the covenant — 'thy servants' — invoking the oath made in verse 15.

Deuteronomy 20:11 describes the fate of surrendered cities, which matches the Gibeonites becoming servants as seen later in the chapter.

In 2 Samuel 21:2, Saul breaks the covenant made here, leading to a famine, showing the long-term consequences of this oath.

Leviticus 5:4 addresses unknowing oaths — exactly the situation here, where Joshua swore peace without knowing the Gibeonites' origin.

Deuteronomy 20:10 commands offering peace to cities, which Joshua did here, but the Gibeonites exploited it through deception.

2 Chronicles 36:13 contrasts Zedekiah's broken oath with Joshua's faithful keeping of his covenant, even when deceived.

Hebrews 6:16 explains that oaths are binding and end disputes — the principle behind the covenant made here.