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Beagle, Donald (2015). "Digital Authoring, Electronic Scholarship, and Libraries: From Walled Garden to Wilderness". In Holley, Robert P. (ed.). Self-Publishing and Collection Development: Opportunities and Challenges for Libraries. Purdue University Press. pp. 47–64. doi:10.2307/j.ctt1wf4dpf.9. ISBN978-1-61249-442-5. JSTORj.ctt1wf4dpf.9.