Yew Tree, Boreham Road, Warminster (Boreham). Usher’s Wiltshire Brewery, Business Records, Plan of Public Houses and Brewing Premises, Wiltshire, can be found in the archives at the Wiltshire And Swindon History Centre at Cocklebury Road, Chippenham, Wiltshire, SN15 2QN. Dated 1957. The reference number is 1075/400/248.