Cover art
| Title | Type | Year | |
|---|---|---|---|
|
|
Second Ending, Ace, 1963 | Edition | 1963 |
|
Open Prison, Four Square, 1965 | Edition | 1965 |
|
Galaxy, November 1973 (US edition) | Magazine issue | 1973 |
Interior art
| Title | Type | Year | |
|---|---|---|---|
|
|
Open Prison, Four Square, 1965 | Edition | 1965 |
|
Galaxy, January 1972 | Magazine issue | 1972 |
|
Galaxy, March 1972 | Magazine issue | 1972 |
|
Galaxy, October 1973 (UK edition) | Magazine issue | 1973 |
|
Galaxy, October 1973 (US edition) | Magazine issue | 1973 |
|
Galaxy, November 1973 (UK edition) | Magazine issue | 1973 |
|
|
Galaxy, November 1973 (US edition) | Magazine issue | 1973 |
|
Galaxy, December 1973 (UK edition) | Magazine issue | 1973 |
|
Galaxy, December 1973 (US edition) | Magazine issue | 1973 |
|
Galaxy, January 1974 | Magazine issue | 1974 |