Indenture

And so the schoolmistress reconciled the recommendation to her conscience, and the indentures were cancelled, and the apprentice was free.

Source: wiktionary

Walking the street very hungry, and not knowing what to do with himself, a crimp's bill was put into his hand, offering immediate entertainment and encouragement to such as would bind themselves to serve in America. He went directly, sign'd the indentures, was put into the ship, and came over, never writing a line to acquaint his friends what was become of him.

Source: wiktionary

It was the critical moment of Oliver’s fate. If the inkstand had been where the old gentleman thought it was, he would have dipped his pen into it, and signed the indentures, and Oliver would have been straightway hurried off.

Source: wiktionary

For the next two years, Ann's position in the family grew to be more and more that of a daughter. If it had not been for the indentures lying serenely in that tall wooden desk, she would almost have forgotten, herself, that she was a bound girl.

Source: wiktionary