English: This picture is acknowledged in Bruce, J.M. War Planes of the First World War, 1965 (one of several places it has been published over the years) as being an Imperial War Museum photograph (date 1917/18) and therefore Crown Copyright reversion applies and it is in the Public Domain
Source
Bruce, J.M. War Planes of the First World War, 1965
This picture is acknowledged in Bruce, J.M. ''War Planes of the First World War'', 1965 (one of several places it has been published over the years) as being an Imperial War Museum photograph (date 1917/18) and therefore Crown Copyright reversion applies
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