Keep on saving coal, gas, electricity, paraffin (1939-1946) chromolithograph art by Marc Stone. Original public domain image… https://www.rawpixel.com/image/11493473/image-face-person-artFree Image from public domain licenseKeep your fire escapes clear (1936) poster by Federal Art Project. Original public domain image from the Library of… https://www.rawpixel.com/image/8683781/image-art-vintage-public-domainFree Image from public domain licenseKeep your teeth clean (1936) vintage poster by Federal Art Project. Original public domain image from the Library of… https://www.rawpixel.com/image/8684017/image-art-public-domain-illustrationFree Image from public domain licenseKeep clean (1936) vintage poster by Erik Hans Krause. Original public domain image from the Library of Congress. Digitally… https://www.rawpixel.com/image/8683914/image-art-hands-public-domainFree Image from public domain licenseVintage housewife png chromolithograph art, transparent background. Remixed by rawpixel. https://www.rawpixel.com/image/11543245/png-face-personView licenseKeep clean (1936-1939) poster by Erik Hans Krause. Original public domain image from the Library of Congress. https://www.rawpixel.com/image/8854560/image-art-vintage-handsFree Image from public domain licenseTitle: Better fruitIdentifier: betterfruit14wash (find matches)Year: [1] (s)Authors: Washington State Apple… https://www.rawpixel.com/image/9976305/image-borders-grass-spaceFree Image from public domain licenseINF3-179 Fuel Economy Keep on saving coal... (housewife at kitchen sink) Artist Marc Stone https://www.rawpixel.com/image/9976229/image-face-person-vintageFree Image from public domain licenseStack of books chromolithograph collage element psd. Remixed by rawpixel. https://www.rawpixel.com/image/11543247/psd-face-person-artView licenseStack of books chromolithograph collage element. Remixed by rawpixel. https://www.rawpixel.com/image/11543248/image-face-person-artView license