Isaiah 38 references Isaiah three times.
Isaiah 38:1, 4, 21, The Church of Jesus Christ of Latter Day Saints,, accessed August 17, 2023
1 In those days was Hezekiah sick unto death. And Isaiah the prophet the son of Amoz came unto him, and said unto him, Thus saith the Lord, Set thine house in order: for thou shalt die, and not live.
4 ¶ Then came the word of the Lord to Isaiah, saying,
21 For Isaiah had said, Let them take a lump of figs, and lay it for a plaster upon the boil, and he shall recover.