Correspondence, diaries, subject files, and collected writings. Correspondence revolves around the Black priesthood issue of the Church of Jesus Christ of Latter-day Saints (LDS Church) and was primarily written in the 1960s and 1970s. Correspondents include Sonia Johnson, Samuel W. Taylor, Walter Martin, the General Authorities of the L.D.S. Church, as well as others involved in the Black Mormon priesthood issue. Material from Fitzgerald's personal life includes family diaries, including missionary diaries of Fitzgerald's grandfather, John Fitzgerald (1876-1877), and of his father, William C. Fitzgerald (1906-1907); personal journals, including a 1944 journal in 1944 kept while a chaplain the army, and later journals (1952-1978); chaplaincy material; and personal writings, much of which addresses the Mormon Church and the Black priesthood issue. Fitzgerald's subject files cover a wide range of topics. Published and unpublished reprints, essays, and addresses pertain primarily to Mormonism and religious issues. Also includes two boxes of cassette tape recordings of lectures and interviews.