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A Celebration of Women Writers ed. by Ockerbloom (PD)
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Clear & Simple by National Institutes of Health (PD)
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The Roadrunner’s Guide to English  by Crisp, Postell, and Whitesell (Custom License)
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University of North Carolina College Writing by The Writing Center at UNC-Chapel Hill (CC BY-NC-ND)
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Writing by Boundless (CC BY-SA)
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Writing Commons by Writing commons (CC BY-NC-ND)
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Writing Poetry by OpenLearn (CC BY-NC-SA)
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Writing Unleashed by Priebe, Anderson, and Marman (GFDL)

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