Citations
Ordnance Survey policy statement no 19. The half-inch map, 1957-02, GBR/3296/Maps/CCSA.OS_189_1/19/2, OS_189_1/19/2. Cambridge University Library. |
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Ordnance Survey policy statement no 19. The half-inch map, 1957-02, GBR/3296/Maps/CCSA.OS_189_1/19/2, OS_189_1/19/2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243573 Accessed November 18, 2024. |