National Research Council (U.S.). Division of Engineering and Industrial Research

• A bibliography on research
• An analysis of state enabling legislation of special and local character dealing with automobile parking facilities
• Architectural metal curtain wall
• Bibliography on roadside development and beautification
• Five years of research in industry, 1926-1930
• Research in hard times
• Research, a paying investment
• The Use of agricultural soil maps and the status of agricultural soil mapping in the United States