Citations
[A collection of proof copies of 1:50,000 scale Second Series Ordnance Survey maps], 1974 - 1975, GBR/3296/Maps/CCSA.DA_412, DA_412. Cambridge University Library. |
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[A collection of proof copies of 1:50,000 scale Second Series Ordnance Survey maps], 1974 - 1975, GBR/3296/Maps/CCSA.DA_412, DA_412. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/236301 Accessed September 20, 2024. |