Citations
Letter to Harold Jeffreys, 1965-05-27, GBR/0180/RGO 10/416. Cambridge University Library. |
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Letter to Harold Jeffreys, 1965-05-27, GBR/0180/RGO 10/416. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/100638 Accessed January 21, 2025. |