the British Museum, and the Bibliotheque Nationale of Paris,—the copies to remain in the Imperial Library, Calcutta, as Government property, after I had done with them. The Secretary of State for India has lent me Persian MSS. from the India Office Library on four occasions and the Royal Asiatic Society of London twice, for which priceless help I am deeply indebted to them.
My thanks are due to the authorities of the Khuda Bakhsh Library (Bankipur), the Bodleian, the British Museum, the Cambridge University Library, the Bibliotheque Nationale (Paris), and the Berlin Royal Library, and to H. H. the Nawab of Rampur, Nawab Abdus Salam Khan Bahadur (late Sub-Judge, Oudh), Major Vaman Das Basu, I.M.S. (ret.), and Munshi Shyam Sundar Lal (of Benares), for their enlightened courtesy in allowing me to take copies of certain of their Persian MSS.
Among friends in India who have taken pains for me in securing the permission of owners of MSS. and engaging copyists, I gratefully mention Hafiz Ahmad Ali Khan (Rampur State), Mr. D. N. Mallik (Electrical Engineer) and Mr. Maqbul Alam, B.A., LL.B., (Benares). Nor should I omit the name of my former colleague, Maulvi Abdul Hai, Lecturer, Patna College, to whom I
