foundInInternet: Stand 04.07.2018: https://books.google.ch/books?id=rSBhAAAAcAAJ&pg=RA2-PA31&lpg=RA2-PA31&dq=Agricola,+Gisbertus&source=bl&ots=uCHbh0Bc49&sig=q_89V-fFgDp7IOX7Ew-IXRXCdWY&hl=de&sa=X&ved=0ahUKEwi_pfnFv4XcAhULh6YKHVH8AIIQ6AEIKTAB#v=onepage&q=Agricola%2C%20Gisbertus&f=false