Αυτή η σελίδα δεν έχει ελεγχθεί ακόμη για πιθανά λάθη.
Oxford University Press, Ely House, London
GLASGOW NEW YORK TORONTO MELBOURNE WELLINGTON
CAPE TOWN SALISBURY IBADAN NAIROBI LUSAKA ADDIS ABABA
BOMBAY CALCUTTA MADRAS KARACHI LAHORE DACCA
KUALA LUMPUR HONG KONG
FIRST EDITION 1920
REPRINTED 1952, 1957, 1961, 1966
PRINTED IN GREAT BRITAIN
AT THE UNIVERSITY PRESS, OXFORD
BY VIVIAN RIDLER
PRINTER TO THE UNIVERSITY