THE SMALL FAMILY SYSTEM: IS IT IMMORAL OR INJURIOUS? By Dr. C. V. Drysdale. The question of birth control cannot be intelligently discussed without knowledge of the facts and figures herein contained. $1.10, postpaid.

MAN AND WOMAN. By Dr. Havelock Ellis, the foremost authority on sexual characteristics. A new (5th) edition. Send $1.60.

A new book by Dr. Robinson: THE LIMITATION OF OFFSPRING BY THE PREVENTION OF PREGNANCY. The enormous benefits of the practice to individuals, society and the race pointed out and all objections answered. Send $1.05.

WHAT EVERY GIRL SHOULD KNOW. By Margaret Sanger. Send 55 cents.

WHAT EVERY MOTHER SHOULD KNOW. By Margaret Sanger. Send 30 cents.

THE THEORY OF PSYCHOANALYSIS. By Dr. C. Jung. A concise statement of the present aspects of the psychoanalytic hypotheses. Price, $1.50.

SELECTED PAPERS ON HYSTERIA AND OTHER PSYCHONEUROSES. By Prof. S. Freud, M.D. A selection of some of the more important of Freud’s writings. Send $2.50.

THREE CONTRIBUTIONS TO SEXUAL THEORY. By John C. Van Dyke. Fully illustrated. New edition revised and rewritten. Send $1.60.

THREE CONTRIBUTIONS TO SEXUAL THEORY. By Prof. Sigmund Freud. The psychology of psycho-sexual development. Price, $2.

FUNCTIONAL PERIODICITY. An experimental study of the mental and motor abilities of women during menstruation by Leta Stetter Hollingworth. Cloth, $1.15. Paper, 85c.