Printed matter including pamphlets, journal articles, government publications, newsletters, and legislative materials on topics of interest to ECTC is contained in this series. Samples of journals represented include: Argus, Commonweal Papers, Engineering Opportunities, Environmental Science & Technology, and the New Republic. Publications of the National Capital Planning Commission, D.C. Government, Federal Water Pollution Control Administration, and the Maryland National Capital Park and Planning Commission are organizations prominently represented. Materials are arranged alphabetically first by journal title (if applicable), otherwise by author (if known), or title of article.