Staircase in the Park of Villa Chigi di Ariccia by Alexandre Calame https://www.rawpixel.com/image/8963849/staircase-the-park-villa-chigi-ariccia-alexandre-calameFree Image from public domain licenseRuin of an Amphitheatre at Pouzzoles (Kingdom of Naples), plate 9 from Oeuvres de A. Calame by Alexandre Calame https://www.rawpixel.com/image/9041771/image-paper-person-bookFree Image from public domain licenseThe Alps, from Various Landscape Sites by Alexandre Calame https://www.rawpixel.com/image/8982941/the-alps-from-various-landscape-sites-alexandre-calameFree Image from public domain licenseGezicht op de Alpen (c. 1888 - c. 1901) by Anna Catharina Maria van Eeghen and Alexandre Calame https://www.rawpixel.com/image/13788682/image-background-paper-faceFree Image from public domain license