Zentralblatt Fur Bibliothekswefen :vol.45: Pt.4 : Nov.-Dec. 1928 

 - Leipzig  Otto Horrassowitz  1928 
<br/><br/><label>Subjects--Topical Terms: </label><br/>555:N1
<br/><br/><label>Dewey Class. No.: </label>555:N1  / E7.45.4