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WikiPedia: Caliphate Umayyad http://www.merriam-webster.com/dictionary/Umayyad http://www.sahih-bukhari.com http://www.hetwebsite.net/het/schools/islamic.htm //doi.org/10.1111%2F0020-8833.00053 http://www.escholarship.org/uc/item/3cn68807 //www.jstor.org/stable/2600793 https://www.ahdictionary.com/word/search.html?q=Um... https://www.britannica.com/topic/Umayyad-dynasty-I... https://www.collinsdictionary.com/dictionary/engli... https://books.google.com/?id=j894miuOqc4C&pg=PA185...