Official Year-Book of the Scientific and learned societies of Great Britain and Ireland 

 -  1939 
<br/><br/><label>Standard No.: </label>10,744 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GENERALIA
<br/><br/><label>Dewey Class. No.: </label>z, G9