Man with a Knapsack (1873) by Winslow Homer. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3049979/free-illustration-image-winslow-homer-art-vintage-peopleFree Image from public domain licenseA salesman selling booklets on self-surgery from a knapsack in the street. Coloured lithograph by C. Philipon, 1829. https://www.rawpixel.com/image/13964956/image-paper-cartoon-personFree Image from public domain licenseAn itinerant medicine vendor known as Medicine Jack carrying his wares in a knapsack on his back. Coloured lithograph. https://www.rawpixel.com/image/14014485/image-cartoon-face-personFree Image from public domain licenseZittende man met een knapzak en een stok (1784) by Jacob van Strij https://www.rawpixel.com/image/13787724/zittende-man-met-een-knapzak-een-stok-1784-jacob-van-strijFree Image from public domain license