Citations
Master file. 1:50,000 1st Series sheet 21 , 1972 - 1975, GBR/3296/Maps/CCSA.OS_50_4, OS_50_4. Cambridge University Library. |
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Master file. 1:50,000 1st Series sheet 21 , 1972 - 1975, GBR/3296/Maps/CCSA.OS_50_4, OS_50_4. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/242160 Accessed November 17, 2024. |