"the aero field" handbook Aerial propaganda leaflets : a collector's handbook / J.C.W. Field ; with a foreword by E.J.D. Townesend After the raid! / [forew. by James H. Marshall-Cornwall; forew. by R. Gordon Finlayson; introd. by W.H. Micholls] Jan Plesman : een vliegende Hollander / Albert Plesman