edited by John W. Evans

edited by C.S. Kochanek and J.N. Hewitt

edited by Leo Blitz and Peter Teuben

organized by the IAU in co-operation with URSI, held at Noordwijk, the Netherlands, 25 August-1 September, 1966 ; edited by Hugo van Woerden

edited by Ronald N. Bracewell

edited by M.J. Reid and J.M. Moran

edited by Heinrich K. Eichhron and Robert J. Leacock ; assistant editor, Jeanne M. Kerrick

edited by I. Appenzeller and C. Jordan

edited by Elly M. Berkhuijsen and Richard Wielebinski

edited by Cécile DeWitt-Morette

edited by T. de Jong and A. Maeder

edited by Raynor L. Duncombe

edited by H.C. van de Hulst

edited by Erik Tengström and George Teleki, with the cooperation of I. Ohlsson

edited by Dennis D. McCarthy and John D.H. Pilkington

edited by N.G. Roman

edited by M.S. Longair

edited by F. J. Kerr and S. C. Simonson III

edited by R.J. Tayler, co-edited by J.E. Hesser

edited by Gordon Newkirk, Jr

edited by Manuel Peimbert and Jun Jugaku