Though it is not known conclusively if the Borzoi cross made it into the mainstream of the breed.

Ansgarde passes into obscurity after this episode, and the date of her death is not conclusively known.

For a long time, reference works were forced to report his first name as "not conclusively known".

Little is known conclusively about warfare in early Cambodia, but much can be assumed from the environment or deduced from epigraphic and sculptural evidence.

Little is known conclusively about The Hidden.

The exact etymology of the term is not conclusively known, but most reliable sources cite it has having begun in the mainstream in 2006.

It is not conclusively known who set off the explosion.

It is not known conclusively whether the lead came from eating chips of lead paint or inhaling lead dust.

It is not conclusively known, however, why it is called so.