| RefNo | Title | Source |
| DF/ZOO/200/69/32 | Bruce, W S | |
| DF/TM/1/11/17 | Correspondence B: BM(NH); Brockhaus; Bruce | |
| DF/TM/1/6/8 | Correspondence B: Brigham; Brown; Bruce | |
| DF/ZOO/200/53/73 | Bruce, William Speirs, 1867-1921 (Edinburgh, Scotland) | |
| DF/TR/1/1/29/97 | Bruce, [William] [Speirs] | |
| DF/ZOO/252/1/6/22 | Bruce, William Spiers (Edinburgh) | |
| DF/ZOO/233/2/2 | Letters, memoranda and lists relating to collections and equipment sent to and from the Section | |
| DF/ZOO/252/1/4/24 | Bruce, William Spiers | |
| DF/ZOO/252/1/8/31 | Bruce, William Spiers (Edinburgh) | |
| DF/PAL/100/57/83 | Bruce, W S | |