Laienspiegel
The work commonly referred to as Laienspiegel is a book of law. It was published in Mainz, in 1509. Its full title is Laijen Spiegel. von rechtmässigen ordnungen in Burgerlichen vnd peinlichen regimenten. mit allegation[en] vn[d] bewerungen auß geschribnen rechten vnnd gesatzen. This can be roughly translated as A layman's guide, of the correct order of civil and criminal regiments, with illustrations of written rights and laws.. It was written by Ulrich Tengler, and published by Sebastian Brant. There was a second edition in 1511. The work was very important, there were 14 editions of it in the 16th century.