| Ref No | DF/MIN/19/27 |
| Alt Ref No | DF19/27 |
| Title | Sample book of D L Williams and M H Hey |
| Date | 1960 |
| AccessStatus | Open |
| Held By | NHM Archives |
| Level | File |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| PX1406 | Williams; David Lloyd (fl 1932); Experimental officer in Department of Mineralogy at NHM | fl 1932 |
| PX480 | Hey; Max Hutchinson (1904-1984); Analytical chemist | 1904-1984 |