The Italian jurist Petrus de Crescentiis or Pier (o) de Crescenzi (1230 / 1233-1320 / 1321) studied medicine and law at the University of Bologna and taught there as a professor. He also worked in northern Italy for several cities as a lawyer. In 1299 he retired to his estate to study literary agriculture and botany. In 1303 his book "Liber Commodorum Ruralium" (Book on Agriculture) was published; The picture below shows a woodcut, which was issued as a stamp. The fourth book "From Vineyards and Vines" is dedicated to the wine and contains many illustrations such as a calendar of seasons (picture bottom, Museum Condé, Chantilly in the Oise). It was translated into many languages at the end of the 15th century, for example on the orders of Emperor Charles V (1500-1558) into French.