50 million volunteers : a report on the role of voluntary organisations and youth in the environment 
by Her Majesty's 
 - London  Her majesty's  1972 
 - xv,103p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Volunteer workers in environmental protection --Great Britain<br/>Young volunteers in social service --Great Britain<br/>Associations, institutions, etc. --Great Britain<br/>Environmental policy --Great Britain --Public opinion
<br/><br/><label>Dewey Class. No.: </label>Q215x42 Un3