Trall, R. T.  1812-1877 <br/><br/>
Sexual physiology and hygiene :  an exposition practical, scientific, moral and popular of some of the fundamental problems in sociology / 
by R. T. Trall 
 - London :  Simpkin, Marshall, Hamilton, Kent,  1917 
 - 266 p. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human reproduction<br/>Sexual health
<br/><br/><label>LC Class. No.: </label>Microfilm 20227 RG 
<br/><br/><label>Dewey Class. No.: </label>612.6