Tilden, Freeman,  1883- <br/><br/>
Interpreting our heritage /  by Freeman Tilden. 

 - Third edition. 
 - Chapel Hill,  University of North Carolina Press  1977. 
 - xix., 119 pages :  illustrations ;  21 cm. 
<br/><br/>Includes index. 
<br/><br/><br/>in English. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States. National Park Service. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--History--Study and teaching.<br/>United States--Description and travel.
<br/><br/><label>LC Class. No.: </label>E 175.8  / T55 1977