Telegram from WSC to Anthony Eden [later Lord Avon, Foreign Secretary] (Washington [United States]) marked "Personal and Top Secret" informing him of the latest plans for Field Marshal Sir Bernard Montgomery [Commander 21st Army Group] to take Lubeck [Germany]; the advance to Linz [Austria]; and for the Americans to take the region south of Stuttgart [Germany] where the main German "TA" [Tube Alloy, the atomic bomb] research is concentrated. Despatched on 19 April.