Citations
'GSGS India block number allocation', 1940, GBR/3296/Maps/CCSA.IM_533_13, IM_533_13. Cambridge University Library. |
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'GSGS India block number allocation', 1940, GBR/3296/Maps/CCSA.IM_533_13, IM_533_13. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/240386 Accessed May 12, 2025. |