Hall, W.S. "Instead of Wild Oats." Revell. $.25. (Bok Series, Biological and Sociological basis.)

Hall, W.S. "Reproduction and Sexual Hygiene." Wynnewood, Chicago. $.90. (Very useful book, but criticized by many who disagree with the hygienic part.)

Hall, W.S. "Sexual Knowledge." Intern. Bible House. Philadelphia. $1.00. (Useful for both men and women. Includes the best of the above book.)

Howard, William Lee. "Plain Facts on Sex Hygiene." Clode. $1.00. (Sensational and exaggerated statements concerning social diseases; language unnecessarily offensive in places; but discussion of "continence" is good.)

Howell and Keyes. "The Sexual Necessity." S.S.M.P. $.03.

Lowry, E.B., and Lambert, R.J. "Himself: Talks with Men concerning Themselves." Forbes. $1.00. (Accurate in facts; not well arranged; not "the best book," as the publishers claim.)

Lydston, G. Frank. "Sex Hygiene for the Male." Riverton, Chicago. $2.25. (Readable, fairly reliable, but not worth the price.)

Martin, H.N. "Human Body—Advanced Course." Holt. $2.50. (Last chapter, especially in 1910 edition.)

Moore, H.H. "Keeping in Condition." Macmillan. $1.00. (A physical training book.)

Morrow, Prince A. "Health and Hygiene of Sex." S.S.M.P. $.05. (The best-known pamphlet for college men.)