Exodus 25:16,21
And you shall put into the ark the testimony which I shall give you.
Torrey's Topical Textbook—AKJV

1 Kings 8:9,21
There was nothing in the ark save the two tables of stone, which Moses put there at Horeb, when the LORD made a covenant with the children of Israel, when they came out of the land of Egypt.
Torrey's Topical Textbook—AKJV

2 Chronicles 5:10
There was nothing in the ark save the two tables which Moses put therein at Horeb, when the LORD made a covenant with the children of Israel, when they came out of Egypt.
Torrey's Topical Textbook—AKJV

Hebrews 9:4
Which had the golden censer, and the ark of the covenant overlaid round about with gold, wherein was the golden pot that had manna, and Aaron's rod that budded, and the tables of the covenant;
Torrey's Topical Textbook—AKJV