Technisch Engels woordenboek / J.M.A. Graus : Dl. 1: Engels - Nederlands history of the second world war. united kingdom military series Grand strategy / J.R.M. Butler : Vol. III: June 1941 - August 1942 Technisch Engels woordenboek / J.M.A. Graus : II: Nederlands-Engels Special : 1959-2019 / [eindred. Jo Thomas]
