Darwin, Charles <br/><br/>
Darwin on humus and the earthworm:   the formation of vegetable / 
Charles Darwin 
 - London  Faber and Faber  0 
 - 153 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>45502 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vermiculture<br/>Earthworms
<br/><br/><label>Dewey Class. No.: </label>639.75  / DAR