Owain a'r cloc
By: Ian Whybrow, Adrian Reynolds ; addasiad Sioned Lleinau.
Contributors: Reynolds, Adrian.; Sioned Lleinau.
Publisher: Gwasg Gomer
Published: 2004
Place of publication: Llandysul
Language: wel
Number of pages: 18
Subjects: Dinosaurs -- Pictorial works -- Juvenile fiction; Time -- Pictorial works -- Juvenile fiction
Genres: Pictorial works; Juvenile fiction.
Work titles: Harry and the dinosaurs tell the time.
Notes: Argraffiad Saesneg gwreiddiol = Original English edition : London : Penguin Books, 2004.

Addasiad Cymraeg gan = Welsh adaptation by : Sioned Lleinau.

Addasiad Cymraeg o = Welsh adaptation of : Harry and the dinosaurs tell the time.