Some Recent Notable Shell Structure Designs in Great Britain O. ARUP, 13-23; Zeiss-Dywidag system of prestressed shell structures, U.FINSTERWALDER, 24-32; Recent thin hull structures in Spain, France and Italy, N.ESQUILLAN, 33-43; Recent thin hull structures of reinforced and prestressed concrete in Soviet Union, A.GVOZDEV, 44-50; Recent thin hull structures in Netherlands and Belgium, A. PADUART, 51-8; Significant new developments in shell structures in Bulgaria, Czechoslovakia, Poland, Hungary and Germany, H.RUHLE, 59-76; Shell Structures in Western Hemisphere, R.C.REESE, 77-82; Some Recent Shell Structure Designs in Scandinavia, S.EGGWERTZ, 83-93; New Developments in Shell Structures, E.TORROJA, 94-100; Methods for Analysis of Concrete Shell Roofs, O.JENSSEN, 111-20; Cylindrical Shells and New Ways of Developing Thin-Walled Spatial Systems in Structural Mechanics, V.Z.V LASOV, 121-46; Ribless Concrete Cylindrical Shells, A.L.PARME, 147-56; Variational Method for Design of Cylindrical Shells, R.S.JENKINS, 157-67; Continuous Shells, O.OLSEN, 168-81; German research work in field of shell theory, W.ZERNA, 182-9; Buckling of Shell Roofs, J.MOE, 190-202; Shells Curved in Two Directions, P.CSONKA, 203-9; Approximate Solutions to Shell Problems, H.TOTTENHAM, 210-20; Cutting power in cylindrical steel concrete shell girders, R.RABICH, 221-8; Membrane Structures, J.PELIKAN, 229-31; Some Stability Problems of Cylindrical Shells, W.NOWACKI, 232-41; Note on Instability of Cylindrical Shells, D.M.A.LEGGETT, H.W.PARSONS, 242-6; Bending of Thin Shells in Form of Elliptic Paraboloid, W.A.NASH, P.L.SHENG, 247-8; Some Problems of Limit Analysis and Design of Non-homogeneous Axially Symmetric Shells, W.OLSZAK, A.SAWCZUK, 249-56; Contribution to Theory of Cylindrical Shells, I.HOLLAND, 257-63; Scale Model Tests on Shell Roofs, C.BENITO, 279-83; Shell Research in Holland, A.L.BOUMA, 284-7; Tests on Shell Roof Models of Reinforced Mortar, A.C.van RIEL, W.J. BERANEK, A.L.BOUMA, 288-306; Recent Advances in Study of Shells in Great Britain, P.B.MORICE, 307-14; Shell Roof Research at Building Research Station, G.R.MITCHELL, 315-24; Prestressed and Precast Shells, A.M.HAAS, 343-52; Prestressed double bent shell structures, I.DOGANOFF, 353-61; discussions, 101-7, 264-75, 325-40, 362-71. ($15.00)