The latter are likely earlier than the former, as testified by the different style.

Seven women living off the island have testified by video link against the men.

He is being compelled to testify by a recent court ruling.

The girls are expected to testify next week by closed-circuit television.

The work was concluded in 1907, as testified by a plaque.

I can't testify by anything but my given word.

I think this policy has been reasonably successful in Finland, as testified by the present public system.

Through his work, he has testified about 100 times, by his own estimate.

But she was the captain on this ship, as testified to by the importance of her welcoming committee.

For a conviction, there must be an overt act, testified to by two witnesses in open court.