This letter was written in 1935 by Sigmund Freud to an American mother and was given by her to Alfred Kinsey in 1949. The mother had sought advice from Freud about her son's homosexuality. Freud wrote back saying that homosexuality is "assuredly no advantage, but nothing to be ashamed of, no vice, no degradation, it cannot be classified as an illness. . . . Many highly respected individuals of ancient and modern times have been homosexuals." It is one of many unique items in the Kinsey Institute's collections.