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The letters linked to from this page are the few that survive in Grandad Knowles' handwriting, including one he wrote from the Western Front during his brief service in World War One.
| Date | From whom | From where | To whom | To where |
|---|---|---|---|---|
| June 10, 1915 | J. H. Knowles | B.E.F., France | Esther Knowles | Hednesford, England |
| Approx. 1950 | J. H. Knowles | Hednesford, England | Muriel Littlehales | Birmingham, England |
| August 30, 1957 | J. H. Knowles | Hednesford, England | Muriel Littlehales | Birmingham, England |