Example of a Journal dated 1 April 1580, preserved in the accounts of the Officina Plantiniana.© Antwerp, Museum Plantin-Moretus, AR 58, fol. 50v. The Journaux, which are part of the accounts of Christoper Plantin and Jan Moretus, present a day-by-day account of books bought and sold by the office. On 1 April 1580 Bonaventura Vulcanius bought two quadrilingual dictionaries for Le Fort.