Citations
Letter from F R Helmert to Sir G Darwin from Potsdam 1909 (in German) apparently regarding an Antarctic Expedition., 1909, GBR/0014/MISC 35. Churchill Archives Centre. |
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Letter from F R Helmert to Sir G Darwin from Potsdam 1909 (in German) apparently regarding an Antarctic Expedition., 1909, GBR/0014/MISC 35. Churchill Archives Centre. https://archivesearch.lib.cam.ac.uk/repositories/9/archival_objects/461297 Accessed April 25, 2024. |