Citations
'Specification One Inch Seventh Series', 1945 - 1954, GBR/3296/Maps/CCSA.IM_425_12, IM_425_12. Cambridge University Library. |
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'Specification One Inch Seventh Series', 1945 - 1954, GBR/3296/Maps/CCSA.IM_425_12, IM_425_12. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239344 Accessed November 14, 2024. |