Ledger-style drawing of a group of figures with a horse in a landscape. Original from the Minneapolis Institute of Art. https://www.rawpixel.com/image/7654801/image-vintage-art-public-domainFree Image from public domain licenseFree brown softbound notebook closeup image, public domain book CC0 photo. https://www.rawpixel.com/image/5906458/photo-image-paper-book-public-domainFree Image from public domain licenseFree paper sheet and painting color palette on table image, public domain CC0 photo. https://www.rawpixel.com/image/5905670/photo-image-background-paper-bookFree Image from public domain licenseClose up of a study group with notebooks and markers on the table, free public domain CC0 photo. https://www.rawpixel.com/image/5919434/image-paper-public-domain-peopleFree Image from public domain license