Unnikrishnan, S., <br/><br/>
Forts of Kerala :  commercial and military dimensions / 
S. Unnikrishnan. 
 - First edition. 
 - xxx, 236 pages :  color illustrations ;  24 cm 
<br/><br/> Revision of the author's thesis (Ph. D.)--University of Kerala, 2000. 
<br/><br/>Includes bibliographical references (pages 229-236). 
<br/><br/><br/>Includes appendices in Malayalam. 
<br/><br/><label>ISBN: </label>9789351711476 9351711471 
<br/><br/><label>Source: </label> Library of Congress -- New Delhi Overseas Office 
<br/><br/><label>LCCN: </label>2018330642 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fortification--History.--India--Kerala<br/>Fortification--Economic aspects--History.--India--Kerala<br/>Military architecture--India--Kerala.
<br/><br/><label>LC Class. No.: </label>UG433.K47  / U56 2019 
<br/><br/><label>Dewey Class. No.: </label>623.1095483  / UNN.F