This is an important economic study made by the Committee on the Grading of Nursing Schools covering its complete findings in its two years study of supply and demand in nursing service. It is founded upon 34,000 returns from nurses, 28,000 returns from physicians, 3,400 returns from hospitals, and 3,200 returns from patients, registrars, etc., in all parts of the country. Dr. William Darrach was the Chairman of this Committee. The data for this book were gathered chiefly through 19 questionnaires, 343,772 of which were sent out, and at the time of publication 67,938 of which had been returned, and