A copy of the paper was apparently preserved in a college library.

Interestingly under the stone were preserved a copy of the day.

As only copies from this later period are preserved, the date of the original performance is unknown.

Numerous copies of his manual, which must have been quite popular, are preserved today.

This compilation was destroyed in a fire, with no known copy preserved.

A copy is preserved in the Library of Congress collection.

Some data implied that the work was printed in Venice, but there is not a single copy preserved.

If such a dictionary ever did exist, not a single copy, as far as I know, has been preserved.

The only known copy of the catalogue is preserved in the British Library.

The original book did not survive, but a copy from about 1009 is preserved at the Oxford University.