Argraffiad Saesneg gwreiddiol = Original English edition : London : Scholastic Children's Books, 2002.
Addasiad Cymraeg gan = Welsh adaptation by : Meinir Wyn Edwards.
Merch y felin : dyddiadur Eliza Helsted, Manceinion, 1842-1843 by Sue Reid. ISBN 1843233576. Published by Gwasg Gomer in 2004. Publication and catalogue information, links to buy online and reader comments.