Tyler, Norman. <br/><br/>
Historic preservation :  an introduction to its history, principles, and practice / 
Norman Tyler, Ted J. Ligibel, Ilene R. Tyler. 
 - 2nd ed. 
 - New York :  W.W. Norton & Co.,  c2009. 
 - 375 p. :  ill., maps ;  24 cm. 
<br/><br/> "1994 edition published as Issues of historic preservation"--T.p. verso. 
<br/><br/>Includes bibliographical references (p. 345-348) and index. 
<br/><br/><label>ISBN: </label>9780393732733 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Architecture--Conservation and restoration--United States.<br/>Historic buildings--Conservation and restoration--United States.<br/>Historic preservation--United States.<br/>Historic sites--Conservation and restoration--United States.