PREFACE

Henning for the kindness and skill with which she helped me prepare the texts for the press.

I should like to express my gratitude to my own college, Newnham, for the award of a research studentship, which enabled me to begin this study, and to the School of Oriental and African Studies for providing a full subvention Financial support or grant. for the publication of this work in the London Oriental Series. I should also like to express my appreciation of the skill and helpfulness of the Oxford University Press.

1954