Gwynedd Rae (1892–1977) was the author of a number of books for children, about a bear called Mary Plain. Her stories were read on BBC Radio Children's Hour in the 1930s and by Richard Wattis on BBC TV Jackanory in 1969.
1930: Mostly Mary
1931: All Mary
1934: And Timothy Too. [A novel.]
1935: Leap Year Born
1935: Mary Plain in Town
1937: Mary Plain on Holiday
1940: Mary Plain in Trouble
1942: Mary Plain in War-Time
1944: Mary Plain's Big Adventure
1949: Mary Plain Home Again
1950: Mary Plain to the Rescue
1951: Mary Plain, V.I.P.
1952: Mary Plain and the Twins
1954: Mary Plain goes bob-a-jobbing
1957: Mary Plain goes to America
1965: Mary Plain's “Whodunit”
All Mary ... Illustrated, etc. E. Mathews & Marrot: London, 1931.
All Mary ... With illustrations by Irene Williamson. Cobden-Sanderson: London, 1938.
All Mary; illustrated by Janina Ede. Brockhampton P, 1968. Series: Red knight books ISBN 0-340-03071-2
All Mary; with illustrations by Irene Williams. Rev. ed. London : Owl Man, 1995. ISBN 1-900186-00-4
And Timothy Too. [A novel.] . Blackie & Son: London & Glasgow, 1934.
Leap Year Born. pp. 281. Blackie & Son: London & Glasgow, 1935.
Mary Plain and the Twins ... With illustrations by Irene Williamson. Routledge & Kegan Paul: London, 1952.
Mary Plain and the twins, illustrated by Janina Ede. Leicester : Knight Books, 1970. Series: ( A red knight book). ISBN 0-340-03998-1 (pbk)
Mary Plain goes bob-a-jobbing ... With illustrations by Irene Williamson. Routledge & Kegan Paul: London, 1954.
Mary Plain goes to America ... With illustrations by Irene Williamson. Routledge & Kegan Paul: London, 1957.
Mary Plain goes to America; illustrated by Janina Ede.Leicester : Knight Books, 1971. Series: A Red Knight book) ISBN 0-340-14906-X (pbk)
Mary Plain Home Again ... With illustrations by Irene Williamson. Routledge & Kegan Paul: London, 1949 [1948].
Mary Plain in Town ... With illustrations by Irene Williamson. Cobden-Sanderson: London, 1935.
Mary Plain in Trouble ... With illustrations by Irene Williamson. G. Routledge & Sons: London, 1940.
Mary Plain in War-Time, etc. G. Routledge & Sons: London, 1942.
The Mary Plain omnibus; illustrated by Irene Williamson. London : Routledge and Kegan Paul, 1976. Contents: Mostly Mary - All Mary - Mary Plain in town - Mary Plain on holiday. ISBN 0-7100-8437-4
Mary Plain on Holiday ... With illustrations by Irene Williamson. Cobden-Sanderson: London, 1937.
Mary Plain on holiday; illustrated by Janina Ede. London : Knight Books, 1969. Series: A red knight book
Mary Plain to the Rescue. With illustrations by Irene Williamson.Routledge & Kegan Paul: London, 1950.
Mary Plain to the rescue; illustrated by Janina Ede.Leicester : Knight Books, 1971. Series: Red knight book ISBN 0-340-14907-8 (pbk)
Mary Plain, V.I.P. ... With illustrations by Irene Williamson.. Routledge & Kegan Paul: London, 1961.
Mary Plain's Big Adventure ... With illustrations by Irene Williamson, G. Routledge & Sons: London, 1944
Mary Plain's big adventure; illustrated by Janina Ede.,Leicester : Knight Books, 1970. Series: Red Knight book ISBN 0-340-10395-7 (pbk)
Mary Plain's “Whodunit” ... With illustrations by Irene Williamson. Routledge & Kegan Paul: London, 1965.
Mostly Mary ... Illustrated, etc. E. Mathews & Marrot: London, 1930
Mostly Mary With illustrations by Irene Williamson, Cobden-Sanderson: London, 1938.
Mostly Mary, illustrated by Janina Ede. Brockhampton P, 1968. Series: Red Knight books.
Mostly Mary, with illustrations by Irene Williams. Rev. ed. London: The Owl Man, 1995. ISBN 1-900186-02-0