- Series: Unser Autoreninterview Series Record # 56469
- Unser Autoreninterview
- [Jack Williamson wurde...] (1956) [ES] by uncredited
- [Clark Darlton] (1956) [ES] by uncredited
- Unser Autoreninterview (1956) [INTERVIEW] with Donald A. Wollheim (interviewed by Clark Darlton) [only as by Walter Ernsting]