Walsh JJ. 'Medieval Women Physicians' in Old Time Makers of Medicine: The Story of the Students and Teachers of the Sciences Related to Medicine During the Middle Ages, ch. 8, (Fordham University Press; 1911) (accessed 22 August 2007) https://books.google.com/books?id=1bRDlCf0FcgC&dq=abella+medicine&pg=PA87
Walsh JJ. 'Medieval Women Physicians' in Old Time Makers of Medicine: The Story of the Students and Teachers of the Sciences Related to Medicine During the Middle Ages, ch. 8, (Fordham University Press; 1911) (accessed 22 August 2007) https://books.google.com/books?id=1bRDlCf0FcgC&dq=abella+medicine&pg=PA87
L. Whaley: Women and the Practice of Medical Care in Early Modern Europe, 1400-1800 https://books.google.com/books?id=RiJ-DAAAQBAJ&dq=Margherita+da+Venosa+surgery&pg=PA15