Exodus 18:25
And Moses chose able men out of all Israel, and made them heads over the people, rulers of thousands, rulers of hundreds, rulers of fifties, and rulers of tens.
Cross-reference
Exodus 18:21 contains Jethro's advice to appoint capable leaders, which Moses then carries out in 18:25.
Exodus 24:14 puts the appointed judges into action, as Moses leaves Aaron and Hur to handle disputes.
Deuteronomy 1:15 recounts the same appointment of leaders from the Exodus 18 event, using similar phrasing.
Numbers 25:5 directly addresses the same 'judges of Israel' appointed in Exodus 18, commanding them to execute idolaters.
Deuteronomy 16:18 later commands appointing judges—a direct echo of the system established here, showing its lasting importance.
Deuteronomy 31:28 references the same officials gathered for Moses' final speech, continuing the leadership structure from this appointment.
Joshua 24:1 lists the same categories of leaders (elders, judges, officials) showing the ongoing use of this administrative structure.
1 Chronicles 27:1 uses the same 'commanders of thousands/hundreds' for military divisions—a parallel but different context from the civil judges here.
2 Chronicles 25:5 again uses commanders of thousands and hundreds for military organization, similar to the civil division here.