Donald S. Nelson (1907-1992) spent the majority of his architectural career working in the Texas firm of Broad and Nelson, specializing in institutional and commercial works and planning. Personal papers, office files, professional association material, job files, specifications, books, visual material, artifacts, and drawings document the activities of the architectural firm of Broad and Nelson, and related firms; Flint and Broad; Thomas D. Broad; Thomas, Jameson and Merrill; and Jack Corgan, Architect.