A41636:15
Catechism byrr sy'n cynnwys sylfeini crefydd christnogawl
S.l. : Printiedig in y flwuddyn, 1657S.l. : Printiedig yn y flwuddyn, 1657
Modern spelling is a reading aid: the words are the author’s, only the spelling is modernized. Original shows the page as printed, with the transcription marks.