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Contents (view Concise Listing)
- 5 • The Mysterious Ninth World • (1959) • essay by Donald A. Wollheim
- 7 • The Secret of the Ninth Planet • juvenile • (1959) • novel by Donald A. Wollheim
Primary Verifications
| Verifier | Date | Type | Last User Activity Date |
|---|---|---|---|
| Kraang | 2007-07-02 18:08:01 | Permanent | 2022-10-07 |
| Bluesman | 2009-09-05 12:20:33 | Permanent | 2018-12-13 |
| Dragoondelight | 2009-12-22 06:46:44 | Permanent | 2010-09-05 |
| Willem H. | 2010-10-16 09:40:37 | Permanent | 2022-10-07 |
| Don Erikson | 2015-02-01 13:13:32 | Permanent | 2020-03-29 |
| Rtrace | 2020-09-12 17:14:56 | Permanent | 2022-10-07 |
| GlennMcG | 2022-07-22 16:22:47 | Permanent | 2022-10-07 |
| 1970PlumbCrazy | 2022-08-04 01:50:02 | Permanent | 2022-09-23 |
Secondary Verifications
| Source | Status | Verifier | Date |
|---|---|---|---|
| Bleiler Early Years | Not Verified | ||
| Bleiler Supernatural | Not Verified | ||
| Bleiler1 (Gernsback) | N/A | Bluesman | 2009-12-13 22:08:01 |
| Bleiler78 | N/A | Bluesman | 2010-12-13 21:02:43 |
| Clute/Grant | N/A | Bluesman | 2016-03-25 23:28:20 |
| Clute/Nicholls | N/A | Bluesman | 2016-03-25 23:28:20 |
| Contento1 (anth/coll) | N/A | Bluesman | 2009-12-13 22:08:01 |
| Currey | N/A | Bluesman | 2009-12-13 22:08:01 |
| Locus1 | N/A | Bluesman | 2009-12-13 22:08:01 |
| Miller/Contento | N/A | Bluesman | 2009-12-13 22:08:01 |
| OCLC/Worldcat | Verified | Bluesman | 2009-12-13 22:08:01 |
| Reginald1 | N/A | Bluesman | 2016-03-25 23:28:20 |
| Reginald3 | N/A | Bluesman | 2016-03-25 23:28:20 |
| Tuck | Verified | ErnestoVeg | 2009-10-12 11:02:28 |