- 1Reference: Z997/1/56
Title: Dirigible - the Journal of the Airship Heritage Trust. Edition No. 56.
Level of description: item
Date Free Text: Spring 2009
Production date: From: 2009 To: 2009 - 2Reference: Z997/1/57
Title: Dirigible - the Journal of the Airship Heritage Trust. Edition No. 57.
Level of description: item
Date Free Text: Summer 2009
Production date: From: 2009 To: 2009