Dyma ambell linc i wefannau defnyddiol:
Deall y Cyfnod Sylfaen (Cymru)
http://gov.wales/docs/dcells/publications/160701-hwst-foundation-cy.pdf
Deall Early Years Foundation Stage (Lloegr)
http://www.foundationyears.org.uk/files/2014/08/EYFS_Parents_Guide-amended.pdf
Diogelu Plant
https://www.nspcc.org.uk/preventing-abuse/keeping-children-safe/
Bwyta’n Iachus
http://www.nhs.uk/change4life/Pages/change-for-life.aspx