Citations
Planning and Control Branch job file. Conventional sign cards, 1973, GBR/3296/Maps/CCSA.OS_44_3, OS_44_3. Cambridge University Library. |
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Planning and Control Branch job file. Conventional sign cards, 1973, GBR/3296/Maps/CCSA.OS_44_3, OS_44_3. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/242119 Accessed May 01, 2025. |