- Series: Empire Era Series Record # 47511
- Sub-series of: Terro-Human
- Series Tags: Merril03 (1), Librivox (1), social commentary (1), Cultural stagnation (1), galactic empire (1), student uprising (1), university administration (1), assassination plots (1), palace intrigue (1)
- Empire Era
- The Keeper (1957) [SF] by H. Beam Piper
- Ministry of Disturbance (1958) [SF] by H. Beam Piper
- A Slave Is a Slave (1962) [SF] by H. Beam Piper