Letter from Bhupinder Singh, Maharajah of Patiala; Udaibhan, Maharaj-Rana of Dholpur; Yadvendra Singh, Maharaja of Panna; Rajendra Singh, Maharaj-Rana of Jhalawar and S M Abbasi, Nawab of Bahawalpur to Major John Courtauld, on the attitude of the Chamber of Princes to the Federal Scheme of Constitutional Reform for India [typescript copy].