| RefNo | Title | Source |
| DF/TR/1/1/25/494 | Wolterstorff, Willy | |
| DF/TM/1/53/27 | Correspondence W: Wollman; Wolterstorff | |
| DF/ZOO/235/1/1/4/262 | Wolterstorff, Willy. Georg. | |
| DF/TM/1/47/20 | Correspondence W: Wolterstorff; Wood; Woodford; | |
| DF/TR/1/1/29/681 | Wolterstorff, [Willy] [Georg] | |
| DF/ZOO/235/1/1/6/259 | Wolterstorff, Willy Georg | |
| DF/ZOO/235/1/1/8/262 | Wolterstorff, Willy. Georg. | |
| DF/PAL/100/31/139 | Wolterstorff, W. | |
| DF/ZOO/235/1/1/10/123 | Wolterstorff, W | |
| DF/ZOO/235/1/1/3/241 | Wolterstorff, Dr. Willy. Georg. | |
| DF/ZOO/235/1/1/9/284 | Wolterstorff, W | |
| DF/TR/1/1/24/501 | Wolterstorff, [Willy] [Georg] | |
| DF/TR/1/1/28/640 | Wolterstorff, [Willy] | |
| DF/TR/1/1/26/601 | Wolterstorff, [Willy] | |
| DF/TM/1/40/15 | Correspondence W: Wolterstorff | |
| DF/TM/1/60/19 | Correspondence W: Wollaston | |
| DF/TM/1/68/9 | Correspondence Z: Zarudny; Ziemer | |
| DF/TM/1/24/16 | Correspondence W: Wolterstroff; Wood; Woodford; Woodward; Worcester; Wright | |
| DF/ZOO/235/1/1/1/862 | Wolterstorff, W | |
| DF/ZOO/233/1/2/4 | Correspondence W - Z | |
| DF/ZOO/235/1/1/2/228 | Wolterstorff, Dr. Willy George | |
| DF/ZOO/235/1/1/7/280 | Wolterstorff, Willy Georg | |
| DF/TM/1/68/7 | Correspondence W: Wolkenhauer; Wolterstorff; Woodward; Woodward; Worthen; Wright | |
| DF/ZOO/235/1/1/5/280 | Wolterstorff, Dr. Willy Georg. | |