First published as 'Xerxes' Okapi and Greek Geography' in Isis for March 1963, copyright 1963 by History of Science Society
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1983 |
|
The Fringe of the Unknown | Prometheus Books | Nonfiction | 95 |
| 1983 |
|
The Fringe of the Unknown | Prometheus Books | Nonfiction | 95 |