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Photograph, 1952 Eclipse Expedition
Flare activity index
Possible test of response of atmosphere to solar corpuscular streams
Utilization of transit of mercury for research purposes
Photograph, Big Dome
Photograph, Big Dome
Photograph, Dedication of the Large Dome
Photograph, High School graduation
Photograph, Large Dome and Sheep Mountain
Photograph, HAO Group
Identification of the yellow coronal line: A5694.4
Study of the broadening of coronal lines in active centers
Study of spatial movements in solar prominance
The role of active solar regions in the formation of magnetic storms
A theory of solar corpuscular emission
Solar prominences and geomagnetic disturbance
Photograph, Warren Washington in college
The Director's Quarterly Report 1955-4
Large Spar at Climax Observatory
Quarterly Research Report 1955-1

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