One sentence must be in black ink, and another in red ink.

These references were written in black ink, in a small, neat hand.

The shepherd had not steel pens, and white paper, and black ink.

When she was finished, the black ink spelled out clear, large letters:

Written in black ink across the top form was the patient's name.

I caught a flash of red and black ink on creamy paper.

They were both written on scraps of paper in regular black ink.

The sacred text is inscribed in black ink on a gold background.

Lexmark sweetens the deal with supercheap black ink and a five-year warranty.

The yellowed pages were covered in a concise scrawl of black ink.

There was always black ink on his tongue and on his fingertips.

The flags had big predatory eyes painted on them in black ink.

The Psychomachia of Prudentius is very beautifully written in red and black ink.

It isn't written in red ink, but in ordinary black ink.

Inside were these lines, written in a sprawling hand with very black ink:

For merits it can usually offer clear type, black ink, and good presswork.