White L <br/><br/>
Medieval technology and social change 

 -  1962 
<br/><br/><label>Standard No.: </label>139,516 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y1:10gF.N5, K2