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Click the serial number on the left to view the details of the item. |
| # |
Author | Title | Accn# | Year | Item Type | Claims |
| 1 |
Henry Helm Clayton |
Sunspot period: Smithsonian miscellaneous collections. Vol. 98, no. 2 |
006924 |
1939 |
Book |
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| 2 |
Henry Helm Clayton |
Controversy on the comets of 1618: Galileo Galilei, Horatio Grassi, Mario Guiducci, Johann Kepler |
006923 |
1960 |
Book |
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