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
Rolf Jacobsen, 6 books
Robert Hedin, 2 books
Aslaug Groven Michaelsen, 1 book
Ole Karlsen, 1 book
Robert Bly, 1 book
Erling Aadland, 1 book
Ove Røsbak, 1 book
Hanne Lillebo, 1 book
Roger Greenwald, 1 book