Factors Unknown
James Glenn · 1971-1972 · 3 issues · issue files for this publisher are coming; the series record is complete
James Glenn · 1971-1972 · 3 issues · issue files for this publisher are coming; the series record is complete
| Issue | Key date | On record |
|---|---|---|
| #1 | April 2, 1971 | |
| #2 | 1972 | |
| #3 | 1972 |