This file consists of some correspondence between Father DuBay and Madalyn Murray O'Hair, a leading atheist, who was the founder of American Atheists and its president from 1963 to 1986. The letterhead on onf of O'Hair's letters states The International Freethought Society, Inc., with an Austin, TX, mailing address; and the letterhead on another of her letters states Society of Separationists, with a separate Austin, TX, mailing address.