On the problem of active longitudes of sunspots and flares Ju. I. Vitinskij OriginalPaper Pages: 210 - 216
Photométries comparées des émissions de l'hydrogène et de l'hélium dans les régions externes des protubérances Jean-Louis Leroy OriginalPaper Pages: 221 - 237
Profiles of the H and K lines of CaII in disk flares J. Mckim MalvilleEinar Tandberg-HanssenDino Zei OriginalPaper Pages: 253 - 259
The slowly varying component of the solar radio emission around 1 cm wavelength Atsushi Tsuchiya OriginalPaper Pages: 268 - 275
Radio observation of the solar eclipse of May 20, 1966 F. G. DragoG. G. Noci OriginalPaper Pages: 276 - 294
A method to obtain a solar velocity map directly in one spectroheliogram A. BhatnagarJ. O. Stenflo Research Note Pages: 329 - 330
The high altitude observatory of the national center for atmospheric research, Boulder, Colo. Gordon Newkirk Jr.Halka Chronic Report from Solar Institute Pages: 331 - 338