Unger, Richard W. <br/><br/>
The ship in the medieval economy, 600-1600   [electronic resource] / 
Richard W. Unger. 
 - London :   Croom Helm,   c1980. 
 - 304 p. :   ill. ;   23 cm. 
 - ACLS Humanities E-Book. .
<br/><br/>  Includes index. 
<br/><br/>Bibliography: p. 283-298. 
<br/><br/><br/> Electronic text and image data. <br/> Ann Arbor, Mich. : <br/> University of Michigan, Michigan Publishing, <br/> 2002. <br/> Includes both TIFF files and keyword searchable text. <br/> ([ACLS Humanities E-Book]) <br/> Mode of a ccess: Intranet. <br/> This volume is made possible by a grant from the An drew W. Mellon Foundation. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/> Ships, Medieval.<br/> Naval architecture-- History.<br/> Commerce-- History.<br/> Middle ages.