#1 Alexander Mackenzie (1838-1898) is the author of The Prophecies of the Brahan Seer and a number of Scottish clan histories.
#2 Sir Alexander Mackenzie (1764-1820), Scottish born Canadian explorer, is the author of Journal of the Voyage to the Pacific. Some of his works can be found on the Sir Alexander MacKenzie author page; however the two pages should not be combined due to the existence of other authors called Alexander Mackenzie.
#3 Alexander Mackenzie (1896-?) is the author of Shakespeare quiz book.
#4 Mackenzie, Alexander, 1822-1892. The life and speeches of Hon. George Brown,
#5 Mackenzie, Alexander. California's top 10 wines