Titles by Robert Silverberg marked with tag: first contact
- 1996 - Starborne
- 1992 - Kingdoms of the Wall
- 1986 - Against Babylon
- 1985 - Tom O'Bedlam
- 1983 - Amanda and the Alien
- 1970 - Tower of Glass
- 1967 - Flies
- 1963 - The Shadow of Wings
- 1961 - Collision Course
- 1957 - Sunrise on Mercury