Teitl clawr = Cover title.
Testun tu fewn i'r cloriau = Text on inside covers.
Defnyddio sodr di-blwm ar gyfer ffitiadau dŵr yfed : sut i osgoi peryglon i iechyd o lygredd dŵr oherwydd sodr plwm. Published by Adran yr Amgylchedd, Bwyd a Materion Gwledig in 2001. Publication and catalogue information, links to buy online and reader comments.