Citations
Correspondence with foreign observatories, 1926 - 1940, GBR/0180/RGO 16/18. Cambridge University Library. |
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Correspondence with foreign observatories, 1926 - 1940, GBR/0180/RGO 16/18. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/101625 Accessed April 19, 2024. |