Goodwill Trading Co., Inc.။ pp. 38–39။ ISBN 978-971-8822-01-2။ Engel၊ KeriLynn။ Fe del Mundo, first female student at Harvard Medical School။ Amazing Wome...
pp. 235–236. Purnell 2011, pp. 296–300; Gimson 2012, pp. 255–257. Barber, Lynn (19 October 2008). "No more Mr Nice Guy". The Guardian (London). Gimson 2012...