Citations
'1927 Draft report of B.A. Committee Postcard Balloons', 1927, GBR/0012/MS Add.9228/B.17. Cambridge University Library. |
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'1927 Draft report of B.A. Committee Postcard Balloons', 1927, GBR/0012/MS Add.9228/B.17. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/556729 Accessed December 27, 2024. |