This collection contains a mixture of personal and business records related to Carol O'Neale Culnan and her architectural practice. Her papers include student work, fiber art and woven textiles, and personal photographs. Project records span a variety of projects in the Baltimore/Washington metro area and southwest Virginia, primarily residential projects, and include original drawings and reproductions, client correspondence, notes, details, costing, and specifications. Her project documentation spans the period from 1975 to 2016, and some projects she collaborated on with her husband, Kenneth S. Culnan, under the practice named CONC. Also included is Kenneth Culnan's architectural license and he is featured as a subject in some of her photographic work.