Citations
A grid system for Ordnance Survey maps, 1936-12, GBR/3296/Maps/CCSA.BWA_332_1/10, BWA_332_1/10. Cambridge University Library. |
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A grid system for Ordnance Survey maps, 1936-12, GBR/3296/Maps/CCSA.BWA_332_1/10, BWA_332_1/10. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/235858 Accessed October 18, 2024. |