#1 Sir William Muir 1818-1905 was the author of The life of Mohammad from original sources. Some of his works can be found on the Sir William Muir author page; however the two pages should not be combined as the other authors called William Muir were not known as Sir William.
#2 William Muir 1967- is the author of The 18th Pale Descendant.
#3 William Muir 1933- is the author of Marion: A History of the United States Watch Company.
#4 William Muir, author of Bygone Heaton, is an English local historian in Newcastle.
#5 William MUIR, of Iona. fl. 1889 - Life of St. Columba