However, it is understood the book was recently backed up and only some copy has been lost.

The third copy of the Bible has, unfortunately, now been lost.

Some half a century ago the last remaining copy of this work was lost.

The article was never published and the original copies have been lost.

And the American copy that was lost on the train?

It was produced in 1992, and copies of the pilot have since been lost.

This report was kept secret for five years with the only three printed copies being lost and disappearing.

It is said that nearly all the copies were lost on the passage to England.

It is impossible to tell exactly when the last complete copy of the Catalogue was lost.

Both the originals and these copies have since been lost.