The collection contains photographs of the LDS Washington D. C. chapel in the 1930s.

Several Sunstone symposium programs from SLC and Washington, D.C.

Contains articles and manuscripts from the publications of Thomas G. Alexander, dated 1964-2002. Manuscripts are of Alexander's future publications on environmental history, irrigation, and the development of public architecture in Washington D.C, including his book "Utah, the Right Place." Dated 1964 to 2017.

Contains reports, correspondence, and newspapers from Thomas G. Alexander dated 1963-2004. Specifically contains library and course communication, department meetings, and history events.

Contains minutes and reports from meetings and conferences with which Thomas G. Alexander was associated, including faculty councils and education and records committees. Dated 1972 to 2018.

Contains materials pertaining to national research facilities such as the Library of Congress, National Archives, and various archives and libraries at various universities. Dated from 1961 to 1974.

Contains minutes, correspondence, and reports from meetings, conferences, seminars, and professional organizations with which Thomas G. Alexander was associated. Also included are student papers. Dated 1957 to 2018.

Contains research proposals in which Thomas G. Alexander was involved. Also included are awards that Dr. Alexander received for his work, such as Brigham Young University grants, the Arrington-Prucha Prize, and Governor's Awards. Dated from 1964 to 2014.

Contains materials pertaining to the students of Thomas G. Alexander. The materials include recommendation letters and student evaluations, especially for graduate and doctorate candidates. Dated from 1965 to 2001.

Contains materials from the Washington Seminar that Thomas G. Alexander was involved in. Materials include class schedules, outlines, and student papers from 1977 to 1981.