Numbers 20:29 records mourning for Aaron for thirty days — identical to Moses' mourning period, showing consistent practice for Israel's leaders.

Isaiah 57:1 laments that the righteous die unnoticed — contrasting with the great public mourning for Moses.

Genesis 50:3 records seventy days of mourning for Jacob — a longer but similar public mourning period compared to Moses' thirty days.

Numbers 22:1 places Israel in the same 'plains of Moab' where Moses died and was mourned here. A geographical link.

Numbers 26:3 also records events in the 'plains of Moab', the setting for Moses' death and mourning. Same location.

Acts 8:2 records great lamentation for Stephen's death — paralleling the public mourning for Moses.