The Imperial German Eagles in World War IWhere the preceding two books of this pioneer series focused on the World War I German aviators featured on Sanke postcards, this final volume examines additional postcard presentations of First World War German airmen as published by Liersch, NPG, Hoffmann, Rothenberg and other more obscure companies. Once again, the author looks in detail at where, why and by whom the photographs were taken as well as why and when they were published in postcard