Pathia, here is a list of books I culled from the library of the seminary where I have taught. You might find some of them useful.
Gramick, Jeannine, Furey, Pat, eds. The Vatican and homosexuality: reactions to the “Letter to the bishops of the Catholic Church on the pastoral care of homosexual persons.” New York: Crossroad, 1988.
Nugent, Robert, and Jeannine Gramick*. Building bridges: gay & lesbian reality and the Catholic Church.* Mystic, Conn.: Twenty-Third Publications, 1992.
Liuzzi, Peter J. With listening hearts: understanding the voices of lesbian and gay Catholics. New York: Paulist Press, 2001.
Stevenson, Thomas B. Sons of the church : the witnessing of gay Catholic men. New York: Harrington Park Press, 2006.
McNeill, John J. The church and the homosexual. 4th ed. Boston: Beacon Press, 1993