Collection consists of correspondence, newspaper and periodical articles, patents, meeting minutes, reports, programs, and press releases. The material dates from 1946-68. The correspondence comes from the Committee on Urban Planning of the American Institute of Architects and the Interprofessional Urban Planning Committee, which Justement chaired from 1946-49.

This collection contains architectural drawings (both oversize and letter file size), photographs, negatives and reports. The firm began in 1984, but the records date from 1981-2007. These records document the work this firm undertook in historic preservation Washington DC Metropolitan area.