Krech III, Shepard , Mcneill, J.R. and Merchant, Carolyn Encyclopedia of world environmental history : F-N - New York ; Routledge , 2004 - 517-950p. , V.2 ISBN: 9780415937344 6720 Subjects--Topical Terms: EncyclopaediaEncyclopaedia-Environment Dewey Class. No.: 333.703 / KRE