Kaart van Piëmont (1682) by Johannes de Broen I, Giovanni Tommaso Borgonio, Johannes Willemszoon Blaeu, erven Johannes Blaeu… https://www.rawpixel.com/image/13765599/image-paper-cartoon-faceFree Image from public domain licenseKaart van Piemonte (1735) by anonymous and erven J Ratelband and Co https://www.rawpixel.com/image/13750458/kaart-van-piemonte-1735-anonymous-and-erven-ratelband-andFree Image from public domain licenseKaart van de drie valleien van Piemonte (1735) by anonymous and erven J Ratelband and Co https://www.rawpixel.com/image/13750113/image-paper-frame-personFree Image from public domain license