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Nonfiction Title:
Citadels of Mystery • non-genre • (1972) • nonfiction by
Catherine Crook de Camp and L. Sprague de Camp
(variant of Ancient Ruins and Archaeology 1962)
[as by Catherine C. de Camp and L. Sprague de Camp]
Primary Verifications
| Verifier | Date | Type | Last User Activity Date |
|---|---|---|---|
| Rtrace | 2009-04-09 23:22:30 | Permanent | 2022-10-04 |
| Don Erikson | 2013-03-30 13:11:53 | Permanent | 2020-03-29 |
Secondary Verifications
| Source | Status | Verifier | Date |
|---|---|---|---|
| Bleiler Early Years | Not Verified | ||
| Bleiler Supernatural | Not Verified | ||
| Bleiler1 (Gernsback) | Not Verified | ||
| Bleiler78 | Not Verified | ||
| Clute/Grant | Not Verified | ||
| Clute/Nicholls | Not Verified | ||
| Contento1 (anth/coll) | Not Verified | ||
| Currey | Not Verified | ||
| Locus1 | Not Verified | ||
| Miller/Contento | Not Verified | ||
| OCLC/Worldcat | Verified | Rtrace | 2020-09-20 18:59:18 |
| Reginald1 | Not Verified | ||
| Reginald3 | Not Verified | ||
| Tuck | Not Verified |