Some letters he wrote during that time have survived.

Several references and letters written by her, including some financial accounts, have survived.

A remarkable and long letter from this gentleman has survived.

No letters survive in which he discussed his religious beliefs.

His letters, extending over the years 1474-1494, survive and have been published.

The letters he wrote during that period have not survived.

More than a thousand letters survive, some up to twenty-five pages long.

The letters he wrote to his parents from England have survived.

The last four letters didn't survive, but the first nine did - albeit barely.

Some of his works and some letters written to him survive.