Anifeiliaid erstalwm
By: testun gan Judith Diment ac Anthony Harvey.
Contributors: Harvey, Anthony P. 1940-; Sibbick, John.
Series: Sylfeini
Publisher: Gwasg y Dref Wen
Published: 1987
Language: wel
Number of pages: 23
Subjects: Paleontology -- Juvenile literature.
Work titles: Animals of long ago.