East Anglian helicopter mails
By: by M. V. D. Champness.
Series: Monographs - East Anglia Postal History Study Circle -- no. 3
Publisher: Published on behalf of the East Anglia Postal History Study Circle
Place of publication: Bps. Stortford, Herts
Number of pages: 38
Subjects: Helicopters -- Cargo.; Air mail service -- England -- East Anglia -- History.