Trall, R. T. <br/><br/>
Sexual physiology and hygiene :  an exposition practical, scientific, moral and popular of some the fundamental problems in sociology / 
by R. T. Trall 
 - Glasgow :  Thomas D. Morison,  1891 
 - 266 p. :  ill. ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sexual health<br/>Sex
<br/><br/><label>Dewey Class. No.: </label>612.6