Publishing History

This is a chart to show the publishing history of editions of works about this subject. Along the X axis is time, and on the y axis is the count of editions published. Click here to skip the chart.  This graph charts editions published on this subject.
Editions Published
Year of Publication

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Prolific Authors

who have written the most books on this subject
Emily Huws, 32 books
Roderick Hunt, 31 books
Angharad Tomos, 25 books
Anne Brooke, 24 books
Edna Jenkins, 21 books
Heini Gruffudd, 16 books
Mary Vaughan Jones, 16 books
Eurwen Price, 15 books
Christine Jones, 15 books
William Spurrell, 14 books
Mari Tudor, 14 books
Mair Wynn Hughes, 14 books
Joy Cowley, 14 books
Helen Emanuel Davies, 13 books
Elin Meek, 13 books
H. Meurig Evans, 13 books
D. Geraint Lewis, 12 books
Angharad Tomos, 12 books
Siân Lewis, 11 books
Wendy Body, 11 books
Non ap Emlyn, 11 books
Gareth King, 11 books
Great Britain, 10 books
Julie Brake, 9 books
Cennard Davies, 9 books