Cleghorn, James D. <br/><br/>
Preservation of the wilderness :  a contemporary view of nature poetry / 
by James D. Cleghorn 
 - Massachusetts :  Department of English, University of  Massachusetts,  1974 
 - viii, 294 p. ;  22 cm. 
<br/><br/>Thesis (Ph.D.)  - University of Massachusetts, 1974 
<br/><br/>Bibliography : p. 268-272