| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 1 |  | Wolthius, Bart Interview | 1971 | Text | wsu_stu_oh |
| 2 | | Dr. Wolthius, Bart Interview | 1995 | Sound; Image/StillImage; Text | wsu_webda_oh |
| 3 |  | Wolthuis, Robert, Hancock, Lynnette Interview | 2014 | Text | wsu_webda_oh |
| 4 | | Barker, Samuel H. Interview | 1995 | Image/MovingImage; Image/StillImage; Text | wsu_webda_oh |
| 5 |  | Zogmaister, Jan OH19_076 | Text; Image/StillImage | wsu_bs_oh |