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
Francis Mading Deng, 9 books
United States, 5 books
Millard Burr, 3 books
Jok Madut Jok, 3 books
John Young, 3 books
Abdullahi A. Gallab, 3 books
Alexander De Waal, 3 books
Charles Gurdon, 2 books
Nicholas Coghlan, 2 books
Mahmood Mamdani, 2 books
Ann Mosely Lesch, 2 books
Edward Thomas, 2 books
Robert C. Kelly, 2 books
Gabriel R. Warburg, 2 books
Sondra Hale, 2 books
Stanton Doyle, 2 books
N. Denise Youngblood, 2 books
Abdel Salam Sidahmed, 2 books
Osman Suliman, 2 books
James Copnall, 2 books
Samuel Totten, 2 books
Amanda Grzyb, 2 books
Abdel-Salam Sidahmed, 2 books
Aleksi Ylönen, 2 books
Manṣūr Khālid, 2 books