http://www.geocities.com/ronemrit/profiles/atwell.html Brief biography, and reference to her two million selling singles. http://www.45-rpm.org.uk/dirw/winifreda.htm Brief biography, and discography of her 45 rpm singles. http://www.jazzsite.co.uk/wja/atwell.htm Brief biography from the Women's Jazz Archive. Photo of one of her sheet music books.