• 2 Middleton Shelving Facility

• 18 Books
• 2 Journals, Magazines, Newspapers

• 6 Roads
• 2 Environmental aspects
• 2 Mineral industries
• 2 Railroad tunnels
• 2 Scientists
• 2 Tunnels
• 1 Aggregates (Building materials)
• 1 Air
• 1 Atmospheric diffusion
• 1 Building materials
• 1 Construction equipment
• 1 Crushed stone industry
• 1 Exchange of publications
• 1 Hazardous substances
• 1 Inland navigation
• 1 Maintenance and repair
• 1 Mining engineering
• 1 Nitrogen oxides
• 1 Petroleum
• 1 Pollution
• 1 Prospecting
• 1 Public works
• 1 Radioactive substances
• 1 Railroads
• 1 Relations

• 7 Laboratoire central des ponts et chaussées
• 3 Centre national de la recherche scientifique (France)
• 3 National Science Foundation (U.S.)
• 2 Institution of Civil Engineers (Great Britain)
• 2 United States. Bureau of Mines
• 1 France. Ministère de l'urbanisme et du logement
• 1 France. Ministère des transports
• 1 International Atomic Energy Agency
• 1 Lyon, Leon Elie, 1873-
• 1 Mahan, Ferderick Augustus, 1847-
• 1 National Research Council (U.S.). Transportation Research Board
• 1 Rice, George S. (George Samuel), 1866-1950
• 1 Robe-Naudy, M. C

• 12 English
• 8 French

• 3 United States
• 2 Channel Tunnel (Coquelles, France, and Folkestone, England)
• 2 English Channel
• 1 Germany

• 2 Periodicals
• 2 Statistics

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