This archive comprises the personal papers of the Rev. Dr. Leonel Lake Mitchell, primarily from his time spent teaching liturgics at The University of Notre Dame and Seabury-Western Theological Seminary. It includes: liturgical materials, particularly on baptism and ministry; authored works on the subject of liturgics; correspondence and course materials; and memorabilia.

The records of the Standing Liturgical Commission (SLC) comprise papers pertaining to the revision of the Book of Common Prayer for the General Convention of 1970, following the Plan for Prayer Book Revision outlined by the Standing Liturgical Commission of the General Convention of 1967. These papers were compiled by Elmer Beamer, a lay person who served on the Panel of Readers and Correspondents, which was a subcommittee of the SLC. Included are files pertaining to the creation of common vernacular materials and the drafting committees, as well as a small amount of correspondence.

The Papers of the Reverend Canon Robert Brooks contains material mostly related to Brooks’ time as Director of Government Relations from 1988-1998. It also brings together many of his professional roles including: the Standing Liturgical Commission consultant and member; Texas Statewide Health Coordinating Council board member; senior advisor to the president of the People for the American Way Foundation; Center for National Policy board member; and President of the Episcopal Urban Caucus, a position that he held until 2017.