Her book Meanings of Sex Difference in the Middle Age: Medicine, Science, and Culture (1993) was groundbreaking in its examination of sex and gender, and has deeply influenced subsequent scholarship [REF].
She went on to research Pietro D'Abano and to explore the complexities of medieval natural philosophers' understanding of homosexual desire in her book Nothing Natural Is Shameful: Sodomy and Science in Late Medieval Europe (2013) [REF].