Citations
Ordnance Survey 1:40,000 maps of Belgium and northern France, 1917 - 1918, GBR/0014/BGND D.113-D.116. Churchill Archives Centre. |
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Ordnance Survey 1:40,000 maps of Belgium and northern France, 1917 - 1918, GBR/0014/BGND D.113-D.116. Churchill Archives Centre. https://archivesearch.lib.cam.ac.uk/repositories/9/archival_objects/417234 Accessed April 26, 2024. |