==Modern cotton gins====References====Bibliography====External links==*Overview of a Cotton Gin – USDA site*The Story of Cotton – National Cotton Council of America site*National Cotton Ginners Association*US Cotton Gin Industry – EH.Net Encyclopedia of Economic History*Invention of Cotton Gin – eHistory.com*Cotton: the fiber of life – includes a schematic diagram illustrating the seed removal process*Video of manual cotton gin in operation via YouTube