Citations
Modern Guide Arithmetic books 1-5: royalties, 1928-10 - 1966-10, GBR/0014/POLL 1/6/10. Churchill Archives Centre. |
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Modern Guide Arithmetic books 1-5: royalties, 1928-10 - 1966-10, GBR/0014/POLL 1/6/10. Churchill Archives Centre. https://archivesearch.lib.cam.ac.uk/repositories/9/archival_objects/468506 Accessed April 24, 2024. |