Differential rotation of the photospheric magnetic field John M. WilcoxRobert Howard OriginalPaper Pages: 251 - 260
Vertical velocities and horizontal wave propagation in the solar photosphere Steven MusmanDavid M. Rust OriginalPaper Pages: 261 - 286
The formation of the Ca ii K line in a spinning spicule Lorne W. Avery OriginalPaper Pages: 301 - 311
The development and flaring of an active region exhibiting unusual magnetic structure Peter Foukal OriginalPaper Pages: 330 - 347
Variations in solar emission at 3.3 mm wavelength and their relation to flares Earle B. MayfieldJohn HigmanClifton Samson OriginalPaper Pages: 372 - 388
Further X-ray spectra of solar active regions R. M. BatstoneK. EvansK. A. Pounds OriginalPaper Pages: 389 - 400
Major Hα flares in centers of activity with very small or no spots Helen W. DodsonE. Ruth Hedeman OriginalPaper Pages: 401 - 419
On the relative intensity of second branches of U-like solar radio bursts D. F. Smith Research Note Pages: 444 - 447
80 MHz observations of a moving type IV solar burst, March 1, 1969 A. C. Riddle OriginalPaper Pages: 448 - 457
Comparison of dynamic radio spectra of the September 2, 1966 complex burst recorded at Culgoora and at Weissenau H. Urbarz Research Note Pages: 458 - 461
Solar X-ray bursts and their relation to Hα and microwave emissions J. R. Harries Research Note Pages: 467 - 470
The phase of particle acceleration in the flare development Z. Švestka OriginalPaper Pages: 471 - 489
Abstracts of papers from other journals Jay M. PasachoffN. StepanyanO. Namba Abstract Pages: 504 - 504