Reference for Numbers 4:4

זֹ֛את עֲבֹדַ֥ת בְּנֵי־קְהָ֖ת בְּאֹ֣הֶל מוֹעֵ֑ד קֹ֖דֶשׁ הַקֳּדָשִֽׁים׃

This is the service of the sons of Kohath in the tent of meeting, about the most holy things:

BDB

BDB