The reduction of the solar velocity field into its oscillatory and slowly-varying components N. R. Sheeley Jr.A. Bhatnagar OriginalPaper Pages: 195 - 203
A sodium experiment for photospheric velocity field observations E. FossatF. Roddier OriginalPaper Pages: 204 - 210
A method of differential field photometry by video-photographic image subtraction R. R. FisherR. C. Hill II OriginalPaper Pages: 211 - 219
Predicted wavelengths of coronal transitions in the configurations 3s 23p 2, 3s 23p 3 and 3s 23p 4 Lars Åke Svensson OriginalPaper Pages: 232 - 243
Further results on O VII X-ray coronal line emission H. R. RuggeA. B. C. Walker Jr. Research Note Pages: 244 - 246
Observations of the 1.4mm brightness distribution of the sun F. I. Shimabukuro OriginalPaper Pages: 247 - 252
On the use of a solid Fabry-Perot interferometer for coronal photography Richard Fisher OriginalPaper Pages: 253 - 257
Gas-magnetic field interactions in the solar corona G. W. PneumanRoger A. Kopp OriginalPaper Pages: 258 - 270
K-coronal enhancements and chromospheric plages Richard T. HansenShirley F. HansenDorothy E. Trotter OriginalPaper Pages: 271 - 275
Spectrum of average flux of the S-component of solar radio emission M. K. Das GuptaS. K. Sarkar OriginalPaper Pages: 276 - 283
Identification of two distinctive types of centimeter radio bursts with flare location John P. HagenDonald F. Neidig Jr. OriginalPaper Pages: 305 - 310
A note on the emission frequency of the type III solar radio bursts Michael D. Papagiannis Research Note Pages: 311 - 312
The helium-enriched interplanetary plasma from the proton flares of August/September, 1966 J. HirshbergJ. R. AsbridgeD. E. Robbins OriginalPaper Pages: 313 - 320
Balloon observations of solar protons on September 29–30, 1968, over Iceland Dj. HeristchiJ. P. LegrandD. Petrou OriginalPaper Pages: 321 - 335
The New Itapetinga Radio Observatory, from Mackenzie University, São Paulo, Brasil Pierre Kaufmann Report from Solar Institute Pages: 336 - 339