Verses with the word unless in the Old Testament (7 verses):
The soul which hath touched any such shall be unclean until even, and shall not eat of the holy things, unless he wash his flesh with water.
And the ass saw me, and turned from me these three times: unless she had turned from me, surely now also I had slain thee, and saved her alive.
2 Samuel 2:27
And Joab said, As God liveth, unless thou hadst spoken, surely then in the morning the people had gone up every one from following his brother.
I had fainted, unless I had believed to see the goodness of the LORD in the land of the living.
Unless the LORD had been my help, my soul had almost dwelt in silence.
Unless thy law had been my delights, I should then have perished in mine affliction.
For they sleep not, except they have done mischief; and their sleep is taken away, unless they cause some to fall.