Harold Lambourn Personal Items 'ELLO Harold Lambourn Personal Items Previous: Winston Churchill and 5 other officers on horseback at the Salisbury Plain in 1910 for the Grand Manoeuvres. Next: Specially Bound Copy Of Adrian Keith-Falconers Book. Major Keith-Falconer served with the Queens Own Oxfordshire Hussars and wrote this very important history of the Hussars in the Great War.