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Personal Index published in the Guide to the Coalfields
| Name | Year | Page | Section |
| Usher, A. R. | 1965 | 99 | N.C.B. Yorkshire Division |
| Usher, L. | 1948 | 161 | N.C.B. North-Eastern Division |
| 1954 | 169 | N.C.B. North Eastern Division | |
| 1957 | 204 | N.C.B. North Eastern Division | |
| 1965 | 93 | N.C.B. Yorkshire Division |
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