Cartoon: "This is Willy, and this is Willy's imaginary playmate."
| First published | April 1965 |
|---|---|
| Type | Interior Art |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1965 |
|
The Magazine of Fantasy and Science Fiction, April 1965 | Mercury Press, Inc. | MAGAZINE | 59 |
| May 1966 |
|
The Best from Fantasy and Science Fiction: Fifteenth Series | Doubleday | Anthology | 48 |
| October 1979 |
|
The Magazine of Fantasy & Science Fiction, October 1979 | Mercury Press, Inc. | MAGAZINE | 90 |
| April 1980 |
|
The Magazine of Fantasy & Science Fiction: A 30 Year Retrospective | Doubleday | Anthology | 207 |
| April 1980 |
|
The Magazine of Fantasy & Science Fiction: A 30 Year Retrospective | Doubleday / SFBC | Anthology | 207 |