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Helen Sawyer Hogg fonds
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"Catalogue of Star Clusters and Associations"
"Catalogue of Star Clusters and Associations"
"Catalogue of 116 Variable Stars"
"Catalogue of 116 Variable Stars"
"Astronomy and the David Dunlop Observatory, 1935-1967"
"Astronomy and the David Dunlop Observatory, 1935-1967"
"Astronomy and Colour"
"Astronomy and Colour"
"A Probable Nova in Globular Cluster Messier 14"
"A Probable Nova in Globular Cluster Messier 14"
"A Child's Primer of the Skys"
"A Child's Primer of the Skys"
"A Canadian Astronomer Looks Backward and Forward"
"A Canadian Astronomer Looks Backward and Forward"
"132 New Variable Stars in Five Globular Clusters"
"132 New Variable Stars in Five Globular Clusters"
Results 651 to 658 of 658