Vertical world.
- Publisher: Vertical World, Inc.
- Print ISSN: 0506-7855
- Electronic ISSN:
- OCLC Number: 1516314
- Subject: Helicopter transportation Periodicals.
- Subject code: T
- Publication history: Began publication with: Vol. 1 in June 1966; ceased with: v. 5,
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| Linda Hall Library of Science, Engineering & Technology (LHL) | Linda Hall Library of Science, Engineering & Technology | v.1-v.5:no.1 (1966-Jan/Feb 1970) |