International Scientific Journals
of Scientific Technical Union of Mechanical Engineering "Industry 4.0"

The paper aims to present of the problem of the endangerment of the Bulgarian written heritage. The task set for the Bulgarian culture by the present time is urgent, because the preservation of the written cultural legacy is a serious problem which cannot be postponed. We are obliged to look for ways to preserve and make available to the Bulgarian nation and to the international cultural society our rich cultural relics on paper, parchment etc.