Citations
Specimens of the type used in the production of Ordnance Survey plans, 1934-05, GBR/3296/Maps/CCSA.OS_149_11, OS_149_11. Cambridge University Library. |
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Specimens of the type used in the production of Ordnance Survey plans, 1934-05, GBR/3296/Maps/CCSA.OS_149_11, OS_149_11. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243197 Accessed April 30, 2025. |