| RefNo | Title | Source |
| DF/ADM/1005/23 | Croft, William N | |
| DF/PAL/130/3/1/9 | Croft, William Noble: Research notebook relating to fieldwork in the Black Mountains | |
| DF/PAL/130/3/1/1 | Croft, William Noble: Research notebook relating to fieldwork in the Black Mountains Volume one | |
| DF/PAL/130/3/1/7 | Croft, William Noble: Catalogue of rock specimens from the Black Mountains | |
| DF/PAL/130/3/1/3 | Croft, William Noble: Research notebook relating to fieldwork in the Black Mountains Volume three | |
| DF/PAL/130/3/1/6 | Croft, William Noble: Research notebook relating to fieldwork in the Black Mountains Volume six | |
| DF/PAL/130/3/1/4 | Croft, William Noble: Research notebook relating to fieldwork in the Black Mountains Volume four | |
| DF/PAL/130/3/1/5 | Croft, William Noble: Research notebook relating to fieldwork in the Black Mountains Volume five | |
| DF/PAL/130/3/1/10 | Croft, William Noble: Annotated maps relating to fieldwork in the Black Mountains | |
| DF/PAL/130/3/1/2 | Croft, William Noble: Research notebook relating to fieldwork in the Black Mountains Volume two | |
| DF/PAL/126/3/10/3/5 | White, Errol Ivor: Cwm Mill correspondence and field notes | |
| DF/PAL/130/3/1/8 | Croft, William Noble: Research notebook relating to the fieldwork in the Black mountains | |
| DF/PAL/151/4 | Croft, William Noble: Papers | |