Morse, Joseph Laffan <br/><br/>
Universal standard encyclopaedia, Vol.24: Ultraviolet- Washington 

 -  Unicorn Publishers, New York  1954 
 - 9068 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General encyclopedic works
<br/><br/><label>Dewey Class. No.: </label>R 030  MOR-U.24