Illustration of two domestic cats playing by Gottfried Mind (1768-1814). Original from Library of Congress. Digitally… https://www.rawpixel.com/image/429661/free-illustration-image-yarn-toy-vintageFree Image from public domain licenseKnitting ball png sticker vintage illustration, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6314646/png-vintage-public-domainFree PNG from public domain licenseKnitting ball drawing, vintage illustration vector. Free public domain CC0 image. https://www.rawpixel.com/image/6315082/vector-vintage-public-domain-blackFree Vector from public domain licenseAn orange wool ball of yarn on a blanket. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3297847/free-photo-image-yarn-wool-knittingFree Image from public domain licenseStilleven met wol en breinaalden (1930 - 1940) by anonymous https://www.rawpixel.com/image/13733571/stilleven-met-wol-breinaalden-1930-1940-anonymousFree Image from public domain licenseFire at the Dexter Yarn Co., "Balling Room" Bldg on East Ave., Pawtucket, R.I., June '83...Looking from the rear. by H E… https://www.rawpixel.com/image/14300058/photo-image-person-fire-public-domainFree Image from public domain licenseFire at the Dexter Yarn Co., "Balling Room" Bldg on East Ave., Pawtucket, R.I., June 1883...Looking across the rear. by H E… https://www.rawpixel.com/image/14299621/photo-image-person-wood-fireFree Image from public domain license