Bill Christofferson <br/><br/>
The Man From Clear Lake  Earth Day Founder Senator Gaylord Nelson 

 -  University of Wisconsin Press  2004 
<br/><br/><label>ISBN: </label>9780299196400 
<br/><br/><label>Subjects--Topical Terms: </label><br/> General<br/>BIOGRAPHY & AUTOBIOGRAPHY <br/>Conservationists--United States--Biography.,Earth Day--History.,Environmental protection--United States--History--20th century.,Environmentalism--United States--History--20th century.,Environmentalists--United States--Biography.,Governors--Wisconsin--Biography.,Legislators--United States--Biography.