Records of the Liturgical Conference (1950s-1980s): Board of Directors' Files, Committee Files (Executive, Nominating, Membership Development, Editorial, Art and Architecture, and Ad Hoc Committees), Financial Files, Liturgical Week Files, and General Files; consisting of correspondence, memoranda, minutes, material distributed at meetings, reports, mailings, and other documents; with material on Promotions, Liturgical Days, Water Day, Studies, Surveys, Corporate identity, Permissions to Reproduce LC Material, Issues, Staff Meetings, Film Strips, Bishops; also issues of Living Worship and Liturgy; and a copy of a thesis Liturgical Conference of the USA: Its Origin and Development 1940-1968 by Lawrence J. Madden, SJ (1969).