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
Sonia Edwards, 4 books
J. Selwyn Lloyd, 3 books
Llwyd Owen, 3 books
Aled Islwyn, 2 books
Jones, Alun, 2 books
Eirug Wyn, 2 books
Rowlands, John, 2 books
Mihangel Morgan, 2 books
Bethan Gwanas, 2 books
John Gwynne, 2 books
Urien Wiliam, 2 books
Marlyn Samuel, 2 books
Gareth F. Williams, 2 books
Marcel Williams, 2 books
Marged Lloyd Jones, 2 books
Irma Chilton, 2 books
Marged Pritchard, 2 books
Selyf Roberts, 2 books
Meic Stephens, 2 books
M. Roberts, 1 book
Gwyneth Vaughan, 1 book
Fred Jones, 1 book
R. Cyril Hughes, 1 book
Jones, Idwal., 1 book
O. Trevor Roberts, 1 book