Opgenoorth, Ernet <br/><br/>
An Introduction to the Study of Modern History 

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 - Frankfurt  Verlag Ullsteil  1974 
 - 347 p.   
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<br/><br/><label>Subjects--Index Terms: </label>Study of Modern History 
<br/><br/><label>Dewey Class. No.: </label>930.1=30