The Primitives
Frank Herbert
Greenslaves
The Featherbedders
The Tactful Saboteur
Jorj McKie (1)
Moon Fishers
Charles Henneberg
No Different Flesh
Zenna Henderson
The People (2)
Free Men
Robert A. Heinlein
Or Battle's Sound
Harry Harrison
Matter Transmitter (1)
Pressure
No War, or Battle's Sound
Down to Earth