Verses with the word hearkened in the Apocrypha (5 verses):

2 Esdras 6:17
And it happened, that when I had heard it I stood up upon my feet, and hearkened, and, behold, there was a voice that spake, and the sound of it was like the sound of many waters.

Baruch 1:18
And disobeyed him, and have not hearkened unto the voice of the Lord our God, to walk in the commandments that he gave us openly:

Baruch 1:21
Nevertheless we have not hearkened unto the voice of the Lord our God, according unto all the words of the prophets, whom he sent unto us:

Baruch 2:10
Yet we have not hearkened unto his voice, to walk in the commandments of the Lord, that he hath set before us.

Baruch 3:4
O Lord Almighty, thou God of Israel, hear now the prayers of the dead Israelites, and of their children, which have sinned before thee, and not hearkened unto the voice of thee their God: for the which cause these plagues cleave unto us.