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Contrasts in ideal one angstrom and one-half angstrom Ha filters
The Director's Quarterly Report Third and Fourth Quarters 1958
The Director's Quarterly Report First and Second Quarters 1958
Dishpan experiments and the internal motion in the Sun
On sequential Es
Upper level readjustments in long wave patterns
Some investigations of possible solar effects on polar outbreaks into the central USA
Photometry and polarimetry of the Earthshine with the coronagraph and photoelectric polarimeter
Evaluation of Climax coronal intensities
Variations in the height of ionospheric layers during magnetic storms
Distribution of flares of different importance over the solar disk
Alternative method for calibrating K-coronameter
The Director's Quarterly Report First Quarter 1957
The Director's Quarterly Report Second and Third Quarter 1957
Geomagnetic and 300mb level indices- Sept. 1956 to March 1957
The Director's Quarterly Report Fourth Quarter 1957
Correction of K-coronameter measurements for the sky polarization
On the enhancement of certain helium lines in the limb flare of 24 June 1956
Open structure in the green corona
Some observations relating to structure of the green corona

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