Gofalu am henebion angladdol a defodol cynhanesyddol = Caring for prehistoric funerary and ritual monuments. 

 - Cardiff :  Cadw,  2005. 
 - 24p. 
<br/><br/> Text in Welsh and English.  At foot of title page, Cadw [and] Welsh Assembly Government.  Available online at: http://www.cadw.wales.gov.uk/upload/resourcepool/CF%20FunRit4920.pdf. 
<br/><br/><label>ISBN: </label>1857602137 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Archaeology--Wales.<br/>Monuments--Conservation and restoration--Wales