1 Chronicles 9:32

And other of their brethren, of the sons of the Kohathites, were over the shewbread, to prepare it every sabbath.

Cross-references

1 Chronicles 23:29 also lists showbread among Levite duties, expanding the context of the Kohathites' work.

Exodus 25:30 commands the showbread to be set regularly — the bread that the Kohathites in this verse are in charge of preparing.

Leviticus 24:5-9 gives detailed instructions for preparing the showbread — the exact duty of the Kohathites mentioned here.

Leviticus 24:8 is the original law commanding showbread every Sabbath, which the Kohathites are executing here.