Gray, Howard Levi <br/><br/>
English field systems /  
H. L. Gray. 
 - Cambridge :    Harvard University Press,    1915 
 - ix, 568 p. :    xvii maps, incl. front. ill. ;    22 cm. 
 - Half-tittle: Harvard historical studies ;    vol. xxii .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agriculture -- England.<br/> Land tenure -- Great Britain.<br/> Commons -- Great Britain.<br/> Inclosures.
<br/><br/><label>Dewey Class. No.: </label>333.760942 GRA